Food processing machinery - Tenderizing machines - Safety and hygiene requirements

This document applies to tenderizing machines that are designed as table-top machines and are manually fed (hereinafter referred to as machine).
Usually these machines are used for unfrozen foodstuffs (hereinafter referred to as product), e.g. boneless meat, meat products, fish, cheese or vegetables.
These machines are not intended to be used with deep frozen foodstuffs.
This document is not applicable to:
-   machines intended for domestic use;
-   machines with automatic loading.
This document deals with all significant hazards, hazardous situations or hazardous events on tenderizing machines, when it is used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer.
This document deals with the hazards which can arise during all the lifetime of the machine, including the phases of transport, assembly, commissioning, operation, cleaning, use, maintenance, decommissioning, dismantling, disabling and scrapping of the machine.
This document is not applicable to machines which are manufactured before its date of publication as EN.

Nahrungsmittelmaschinen - Tenderizer - Sicherheits- und Hygieneanforderungen

Dieses Dokument gilt für Mürbeschneidemaschinen, die als Tischmaschinen konstruiert sind und manuell beschickt werden (im weiteren Verlauf als Maschine bezeichnet).
Diese Maschinen werden üblicherweise für nicht-gefrorene Lebensmittel (im weiteren Verlauf als Produkt bezeichnet) wie etwa Fleisch ohne Knochen, Fleischprodukte, Fisch, Käse oder Gemüse verwendet.
Diese Maschinen sind nicht für die Verwendung mit tiefgefrorenen Lebensmitteln vorgesehen.
-   für den Haushaltsgebrauch vorgesehene Maschinen;
-   Maschinen mit automatischer Beschickung.
Dieses Dokument behandelt alle signifikanten Gefährdungen, Gefährdungssituationen oder Gefährdungsereignisse, die auf Mürbeschneidemaschinen zutreffen, wenn sie bestimmungsgemäß und unter den vernünftigerweise vom Hersteller vorhersehbaren Bedingungen des Missbrauchs verwendet werden.
Dieses Dokument behandelt die Gefährdungen, die während der gesamten Lebensdauer der Maschinen einschließlich der Phasen des Transports, des Zusammenbaus, der Inbetriebnahme, des Betriebs, der Reinigung, der Nutzung, der Instandhaltung, der Außerbetriebnahme, der Demontage, der Deaktivierung und der Entsorgung der Maschine auftreten können.
Dieses Dokument gilt nicht für Maschinen, die vor dem Datum seiner Veröffentlichung als EN hergestellt wurden.

Machine pour les produits alimentaires - Appareils attendrisseurs - Prescriptions relatives à la sécurité et à l’hygiène

Le présent document s’applique aux machines à attendrir conçues comme machines de tables avec introduction manuelle (ci-après désignées comme machine).
Ces machines sont généralement utilisées pour des denrées alimentaires non congelées (ci-après désignées comme produits), par exemple, des viandes désossées, des produits carnés, du poisson, du fromage ou des légumes.
Ces machines ne sont pas destinées à être utilisées avec des denrées alimentaires surgelés.
Le présent document ne s'applique pas aux :
-   machines à usage domestique ;
-   machines à chargement automatique.
Le présent document traite tous les phénomènes dangereux, situations dangereuses ou événements dangereux significatifs pour les machines à attendrir lorsqu'elles sont utilisées normalement et dans les conditions de mauvais usage raisonnablement prévisible par le fabricant.
Le présent document traite de tous les phénomènes dangereux susceptibles de se produire pendant la durée de vie de la machine, incluant les étapes de transport, d’assemblage, de mise en service, de fonctionnement, de nettoyage, d’utilisation, de maintenance, de mise hors service, de démontage, de désassemblage et de mise au rebut de la machine.
Le présent document ne s'applique pas aux machines fabriquées avant sa date de publication sous forme de Norme européenne.

Stroji za predelavo hrane - Stroji za mehansko obdelavo mesa - Varnostne in higienske zahteve

General Information

Status
Not Published
Public Enquiry End Date
17-Sep-2020
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
10-Jul-2020
Due Date
27-Nov-2020
Completion Date
05-Oct-2020

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SLOVENSKI STANDARD
oSIST prEN 17537:2020
01-september-2020
Stroji za predelavo hrane - Stroji za mehansko obdelavo mesa - Varnostne in
higienske zahteve
Food processing machinery - Tenderizing machines - Safety and hygiene requirements
Nahrungsmittelmaschinen - Tenderizer - Sicherheits- und Hygieneanforderungen
Machine pour les produits alimentaires - Appareils attendrisseurs - Prescriptions
relatives à la sécurité et à l’hygiène
Ta slovenski standard je istoveten z: prEN 17537
ICS:
67.260 Tovarne in oprema za živilsko Plants and equipment for the
industrijo food industry
oSIST prEN 17537:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 17537:2020

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oSIST prEN 17537:2020


DRAFT
EUROPEAN STANDARD
prEN 17537
NORME EUROPÉENNE

EUROPÄISCHE NORM

July 2020
ICS 67.260
English Version

Food processing machinery - Tenderizing machines -
Safety and hygiene requirements
Machine pour les produits alimentaires - Appareils Nahrungsmittelmaschinen - Tenderizer - Sicherheits-
attendrisseurs - Prescriptions relatives à la sécurité et und Hygieneanforderungen
à l'hygiène
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 153.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17537:2020 E
worldwide for CEN national Members.

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Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
3.1 Terms . 7
3.2 Description . 8
4 Safety requirements and/or measures . 8
4.1 General . 8
4.2 Mechanical hazards . 9
4.2.1 General . 9
4.2.2 Infeed area – Zone 1 . 9
4.2.3 Processing area – Zone 2 . 11
4.2.4 Outlet area – Zone 3 . 12
4.2.5 Drive system – Zone 4 . 12
4.3 Electrical hazards . 13
4.3.1 General . 13
4.3.2 Emergency stop device . 13
4.3.3 Protection against water ingress . 13
4.3.4 ON- and OFF-switch . 13
4.3.5 Safety requirements related to electromagnetic phenomena . 13
4.4 Hazards from loss of stability . 14
4.5 Noise hazard – noise reduction at the design stage . 14
4.6 Ergonomic requirements . 14
4.7 Hygiene and cleaning . 14
4.7.1 General . 14
4.7.2 Food area . 15
4.7.3 Splash area. 15
4.7.4 Non-food area . 16
4.7.5 Surface conditions . 16
4.7.6 Cleaning . 16
5 Verification of safety requirements and/or protective/risk reduction measures . 16
6 Information for the user . 17
6.1 General . 17
6.2 Instruction handbook . 17
6.3 Marking . 20
Annex A (normative) Noise test code for Tenderizing machines (grade 2) . 21
A.1 Emission sound pressure level determination . 21
A.2 Installation and mounting conditions . 21
A.3 Operating conditions . 21
A.4 Measurement . 21
A.5 Information to be recorded . 21
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A.6 Information to be reported . 21
A.7 Declaration and verification of the noise emission values . 22
Annex B (normative) Design principles to ensure the cleanability of tenderizing machines . 23
B.1 Terms and definitions . 23
B.2 Materials of construction – type of materials . 23
B.2.1 Materials for food area . 23
B.2.2 Materials for splash area . 23
B.2.3 Non-food area . 23
B.3 Design . 23
B.3.1 General . 23
B.3.2 Food area . 23
B.3.3 Splash area . 25
B.3.4 Non-food area . 26
Annex C (informative) List of significant hazards . 27
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered . 28
Bibliography . 30
3

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European foreword
This document (prEN 17537:2020) has been prepared by Technical Committee CEN/TC 153 “Machinery
intended for use with foodstuffs and feed”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document has been prepared under a standardization request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of
EU Directive 2006/42/EC.
For relationship with EU Directive 2006/42/EC, see informative Annex ZA, which is an integral part of
this document.

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Introduction
This document is a type-C standard as stated in EN ISO 12100:2010.
The machinery concerned and the extent to which hazards, hazardous situations and hazardous events
are covered are indicated in the scope of this document.
When provisions of this type-C-standard are different from those which are stated in type-A- or -B-
standards, the provisions of this type-C-standard take precedence over the provisions of the other
standards, for machines that have been designed and built according to the provisions of this type-C-
standard.

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1 Scope
This document applies to tenderizing machines that are designed as table-top machines and are manually
fed (hereinafter referred to as machine).
Usually these machines are used for unfrozen foodstuffs (hereinafter referred to as product), e.g. boneless
meat, meat products, fish, cheese or vegetables.
These machines are not intended to be used with deep frozen foodstuffs.
This document is not applicable to:
— machines intended for domestic use;
— machines with automatic loading.
This document deals with all significant hazards, hazardous situations or hazardous events on
tenderizing machines, when it is used as intended and under conditions of misuse which are reasonably
foreseeable by the manufacturer.
This document deals with the hazards which can arise during all the lifetime of the machine, including
the phases of transport, assembly, commissioning, operation, cleaning, use, maintenance,
decommissioning, dismantling, disabling and scrapping of the machine.
This document is not applicable to machines which are manufactured before its date of publication as EN.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 1672-2:2005+A1:2009, Food processing machinery — Basic concepts — Part 2: Hygiene requirements
EN 60204-1:2018, Safety of machinery — Electrical equipment of machines — Part 1: General
requirements (IEC 60204-1:2016, modified)
1
EN 60529:1991, Degrees of protection provided by housings (IP Code) (IEC 60529:1989)
2
EN ISO 4287:1998, Geometrical product specifications (GPS) — Surface texture: Profile method — Terms,
definitions and surface texture parameters (ISO 4287:1997)
EN ISO 4871:2009, Acoustics — Declaration and verification of noise emission values of machinery and
equipment (ISO 4871:1996)
EN ISO 11204:2010, Acoustics — Noise emitted by machinery and equipment — Determination of emission
sound pressure levels at a work station and at other specified positions applying accurate environmental
corrections (ISO 11204:2010)

1
As impacted by EN 60529:1991/AC:2006-12, EN 60529:1991/A1:2000, EN 60529:1991/A2:2013 and EN
60529:1991/A2:2013/AC:2019-02.
2
As impacted by EN ISO 4287/AC:2008 and EN ISO 4287:1998/A1:2009.
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EN ISO 11688-1:2009, Acoustics — Recommended practice for the design of low-noise machinery and
equipment — Part 1: Planning (ISO/TR 11688-1:1995)
EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk
reduction (ISO 12100:2010)
EN ISO 13849-1:2015, Safety of machinery — Safety-related parts of control systems — Part 1: General
principles for design (ISO 13849-1:2015)
EN ISO 13857:2019, Safety of machinery — Safety distances to prevent hazard zones being reached by
upper and lower limbs (ISO 13857:2019)
EN ISO 14119:2013, Safety of machinery — Interlocking devices associated with guards — Principles for
design and selection (ISO 14119:2013)
EN ISO 14120:2015, Safety of machinery — Guards — General requirements for the design and
construction of fixed and movable guards (ISO 14120:2015)
3 Terms and definitions
3.1 Terms
For the purposes of this document, the terms and definitions given in EN ISO 12100:2010 and the
following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1.1
tenderizing
mechanical treatment of the structure of the product
Note 1 to entry: E.g. with pins, teeth or blades.
3.1.2
product
unfrozen foodstuffs
Note 1 to entry: E.g. boneless meat, meat products, fish, cheese or vegetables.
3.1.3
roller
cylindric device equipped with means to tenderize
Note 1 to entry: These means can be e.g. pins, teeth or blades.
3.1.4
roller set
exchangeable inset unit with at least two parallel rollers
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3.1.5
pusher
device used to push the product further in the machine
3.1.6
infeed chute
device to ensure that fingers cannot reach the cutting area of the rollers
3.1.7
easily cleanable
designed and constructed to be cleanable by a simple cleaning method, when necessary after removing
easily dismantled parts
3.2 Description
The machines described in this standard consist mainly of a machine frame and rollers, depending on the
different functions. An example of a machine is shown in Figure 1.

Key
1 infeed chute 6 product guide
2 roller 7 discharge comb
3 discharge 8 machine housing
4 ON/OFF switch 9 pusher
5 foot
Figure 1 — Example of a tenderizing machine
4 Safety requirements and/or measures
4.1 General
Machines shall comply with the safety requirements and/or protective measures of this clause.
In addition, the machine shall be designed according to the principles of EN ISO 12100:2010 for the
hazards relevant but not significant, which are not covered in this document.
Where the means of reducing the risk is by the physical arrangement or positioning of the installed
machines the manufacturer shall include in the Information for use a reference to the reduction means
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to be provided, and to any limiting value of the requirement, and, if appropriate, to the means of
verification.
The safety related parts of the control system shall present at least a performance level “c” in accordance
with EN ISO 13849-1:2015.
Figure 2 shows the significant danger zones of a machine.

Key
1 zone 1 = infeed area
2 zone 2 = processing area
3 zone 3 = outlet area
4 zone 4 = drive system area
Figure 2 — Danger zones
4.2 Mechanical hazards
4.2.1 General
Machines shall be designed and constructed in accordance with the requirements mentioned below.
The sensor part of interlocking devices shall comply with EN ISO 14119:2013 and be integrated into the
machine housing in order to:
— fulfil hygiene requirements;
— be protected against mechanical damages;
— be protected against the effects of cleaning and disinfection materials;
— be protected against the effects of cleaning liquids (water);
— be protected against evading or tampering by simple methods.
In the information for use the manufacturer shall give information on the verification of the interlocking
device.
4.2.2 Infeed area – Zone 1
The infeed chute shall be removable and interlocked. When the infeed chute is not in place an interlocking
device shall prevent the machine to start or the transmission elements between the drive unit and the
rollers shall be disconnected.
After the interlocking device has been activated, the stopping time of the rollers (without product
loading) shall be ≤ 4 s.
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The infeed hood shall meet the following dimensions (see Figure 3):
— the breadth of the infeed opening shall be B ≤ 30 mm, and the design of the infeed chute shall be stiff
to avoid the enlargement of the breadth of ∆B ≤ 2 mm during normal operation;
— the distance from the point of smallest width B to the trapping point between the roller shall be
L ≥ 200 mm.
i

Key
B breadth of the infeed opening
W width of the infeed opening
L distance from the point of smallest width B to the trapping point between the roller
i
L distance from the point where the discharge comb reaches the roller to the outlet opening
o
α In the outlet area the angle between discharge comp and roller
Figure 3 — Measures of a tenderizing machine
During manual feeding, a pusher (see Figure 4) may be provided to assist in pushing the product against
the roller.
The pusher shall meet the following dimensions (see Figure 4):
— the breadth shall be B > 32 mm;
p
— the length shall be L < L ;
p i
— the width W shall be B < W < W.
p p p
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Key
B breadth
p
Lp length
Wp width
Figure 4 — Example of a pusher
4.2.3 Processing area – Zone 2
During operation access to the rollers shall be restricted.
The rollers shall be mounted:
— directly in the machine housing or
— in a roller set which is inserted into the machine housing, whereby the rollers shall be enclosed by a
guard casing except for the infeed and outlet opening (see Figure 5).
On the infeed opening, a product guide (see Figure 3) shall be provided to close the gap between the
rollers and the infeed chute except for the infeed opening.
On the outlet opening, a discharge comb (see Figure 3) shall be provided to close the gap between the
rollers and the machine housing and/or guard casing except for the outlet opening.
With the exception of the infeed and outlet opening, the gaps around the product guide and the discharge
comb shall be in accordance with EN ISO 13857:2019.
With the exception of the infeed and outlet opening, all openings in the product guide, discharge comb,
roller set and/or machine housing shall be in accordance with EN ISO 13857:2019.
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The weight of the roller or roller set shall be ≤ 15 kg. If the weight of a roller or roller set is > 15 kg an
additional handling aid shall be provided.
The instruction manual shall give advice on how to change the roller or roller set in a save manner (e.g.
gloves).

Key
1 product guide
2 roller
3 guard casing
Figure 5 — Example of a roller set
4.2.4 Outlet area – Zone 3
The distance from the point where the discharge comb reaches the roller to the outlet opening of the
machine shall be:
— L ≥ 40 mm for rollers with single direction of rotation, or;
o
— L ≥ 200 mm for rollers with reversible direction of rotation.
o
Between the discharge comps and the roller shall be an angle α ≥ 90°.
In the instruction handbook shall be included that the machine may only be operated with discharge
comps.
4.2.5 Drive system – Zone 4
Access to danger zones on the drive system shall be prevented. This may be achieved e.g. by the following
measures:
Guards (protective cover over casing) in accordance with EN ISO 14120:2015, shall be provided on the
drive mechanism. The protective covers may be fixed or movable and interlocked.
If protective covers are movable, e.g. for changing the operating process or for the purpose of cleaning,
they shall be interlocked.
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4.3 Electrical hazards
4.3.1 General
The electrical equipment shall comply with EN 60204-1:2018. Additionally, the electrical equipment shall
meet the following requirements.
4.3.2 Emergency stop device
In general machines does not need an emergency stop device. In this case the usual OFF-switch shall be
easily reachable from the operator position.
4.3.3 Protection against water ingress
4.3.3.1 IP degrees of protection
Electrical operating components shall comply with the following degrees of protection in accordance with
1
EN 60529:1991 :
— IP X3 External electrical operating components:
— on the machine;
— on the control box on the machine;
— on the control box located in the process room;
— IP X3 Internal electrical operating components:
— in the machine with enclosed housing with the degree of protection IP X3 and open lower
surface. Protection against direct and indirect impact of a water jet shall be ensured;
— IP X2 Internal electrical operating components:
— in a machine with completely enclosed housing with the degree of protection IP X3. Protection
against condensate water shall be provided;
— in the control box enclosure;
— IP X0 Internal electrical operating components
in a machine with completely enclosed housing with the degree of protection IP X3. Protection against
condensate water shall be provided, and the safety of fingers and the back of hand be ensured.
4.3.4 ON- and OFF-switch
Machines shall be provided with ON- and OFF-switches. The switches should be located at the operator’s
side of the machine.
Unintended starting of the machine shall be prevented by the design of the switch.
4.3.5 Safety requirements related to electromagnetic phenomena
The machines shall have sufficient immunity to electromagnetic disturbances to enable them to operate
safely as intended and not fail to danger when exposed to the levels and types of disturbances intended
by the manufacturer.
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The manufacturer of the machines shall design, install and wire the equipment and sub-assemblies taking
into account the recommendations of the suppliers of these sub-assemblies.
4.4 Hazards from loss of stability
Machines shall be designed not to roll, slip, or tip over under normal operating conditions, e.g. by the type
of the machine, the position of the point of gravity. The machines can be mobile.
The manufacturer shall give information on installation, e.g. relating to the use of the locking device and
the quality of the floor, in the instruction handbook.
Machines tested in accordance to Table 1 shall not roll, slip or start tilting at their location.
4.5 Noise hazard – noise reduction at the design stage
Noise reduction shall be an integral part of the design process thus taking into account measures at source
as given in EN ISO 11688-1:2009. The success of the applied noise reduction measures is assessed on the
basis of the actual noise emission values (see Annex A) in relation to other machines of the same family.
Normally these machines create an emission noise value L < 70 dB (A).
pa
4.6 Ergonomic requirements
The instruction for use shall give appropriate information how these machines have to be placed in order
to prevent problems of misposture.
4.7 Hygiene and cleaning
4.7.1 General
The machines shall be designed according to EN 1672-2:2005+A1:2009, the conditions mentioned below.
Hygiene areas see Figure 6.
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Key
food area

splash area

Figure 6 — Hygiene areas of tenderizing machines
4.7.2 Food area
At least the following components are defined according to EN 1672-2:2005+A1:2009 and regarded as
food area:
— roller and roller set;
— infeed chute (inner and outer surfaces);
— outside of the machine housing, where the outer dimensions are smaller than the container or tray
placed underneath;
— inside of the housing feet, which are above the upper rim of the container or tray;
— if cross contamination can occur operating components (e.g. ON-/OFF-switch, adjusting controls)
shall be considered as food area.
4.7.3 Splash area
At least the following components are defined according to EN 1672-2:2005+A1:2009 and regarded as
splash area:
— outside of the machine housing and housing feet, which are not above the container or tray;
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— inside of the housing feet, which are lower than the upper rim of the container or tray.
4.7.4 Non-food area
All other surfaces not specified in 4.7.2 and 4.7.3.
4.7.5 Surface conditions
The design of the surface shall
...

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