SIST-TP CEN/TR 13387-3:2015
(Main)Child use and care articles - General safety guidelines - Mechanical hazards
Child use and care articles - General safety guidelines - Mechanical hazards
This Technical Report addresses the most known mechanical hazards and is intended to provide guidance when drafting standards for child use and care articles.
Articles de puériculture - Conseils relatifs à la sécurité - Partie 3 : Dangers mécaniques
Le présent Rapport technique fournit des informations de recommandation concernant les dangers mécaniques qu’il convient de prendre en considération lors de l’élaboration de normes de sécurité relatives aux articles de puériculture. De plus, le présent guide peut faciliter la tâche des personnes portant un intérêt professionnel général à la sécurité des enfants.
Izdelki za otroke - Smernice o splošni varnosti - Nevarnosti zaradi mehanskih lastnosti
To tehnično poročilo obravnava najbolj znane mehanske nevarnosti in je namenjeno zagotavljanju smernic pri oblikovanju standardov za izdelke za otroke.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST-TP CEN/TR 13387-3:2015
01-september-2015
1DGRPHãþD
SIST-TP CEN/TR 13387:2005
Izdelki za otroke - Smernice o splošni varnosti - Nevarnosti zaradi mehanskih
lastnosti
Child use and care articles - General safety guidelines - Mechanical hazards
Ta slovenski standard je istoveten z: CEN/TR 13387-3:2015
ICS:
97.190 Otroška oprema Equipment for children
SIST-TP CEN/TR 13387-3:2015 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TP CEN/TR 13387-3:2015
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SIST-TP CEN/TR 13387-3:2015
TECHNICAL REPORT
CEN/TR 13387-3
RAPPORT TECHNIQUE
TECHNISCHER BERICHT
July 2015
ICS 97.190 Supersedes CEN/TR 13387:2004
English Version
Child use and care articles - General safety guidelines -
Mechanical hazards
This Technical Report was approved by CEN on 8 December 2014. It has been drawn up by the Technical Committee CEN/TC 252.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 13387-3:2015 E
worldwide for CEN national Members.
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SIST-TP CEN/TR 13387-3:2015
CEN/TR 13387-3:2015 (E)
Contents Page
European foreword .5
1 Scope .6
2 Mechanical hazards - Safety philosophy .6
3 Terms and definitions .6
4 Accessibility of mechanical hazards .6
4.1 General .6
4.2 Accessibility areas .7
4.3 Product information.8
5 Entrapment hazards .9
5.1 Introduction .9
5.2 Entrapment of head and neck . 10
5.2.1 Rationale . 10
5.2.2 Terms and definitions related to entrapment hazards . 11
5.3 Requirements . 12
5.4 Test equipment . 12
5.4.1 Probe philosophy. 12
5.4.2 Hip probe . 12
5.4.3 Small head probe . 13
5.4.4 Large head probe . 14
5.4.5 Template for partially bound and V shaped openings . 15
5.4.6 Selection and use of probes . 16
5.5 Test methodology . 17
5.5.1 Feet first openings . 17
5.5.2 Head first openings . 17
5.5.3 Partially bound, V and irregular shaped openings . 17
5.6 Entrapment of fingers . 19
5.6.1 Rationale . 19
5.6.2 Requirements . 20
5.6.3 Test equipment . 20
5.6.4 Test Methodology . 21
5.7 Rationale for entrapment of limbs, feet and hands . 21
6 Hazards from moving parts . 22
6.1 Rationale . 22
6.2 General . 22
6.3 Shearing hazards . 22
6.3.1 Requirements . 22
6.3.2 Test equipment . 23
6.3.3 Test method . 23
6.4 Requirements for crushing hazards . 23
7 Hazards with products designed to fold for storage and transportation. . 23
7.1 Rationale . 23
7.2 Terms and definitions related to hazards with products designed to fold . 23
7.3 Requirements . 24
7.3.1 General . 24
7.3.2 Unintentional release of locking mechanisms . 24
7.3.3 Test methodology . 24
2
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CEN/TR 13387-3:2015 (E)
8 Hazards related to attachment mechanisms and opening and closing systems . 24
8.1 Rationale. 24
8.2 Requirement . 25
8.3 Test methodology . 25
9 Entanglement hazards . 25
9.1 Snagging hazards . 25
9.1.1 Rationale. 25
9.1.2 Requirements . 25
9.1.3 Test Equipment . 25
9.1.4 Test Methodology for loop and mass . 27
9.2 Cords, ribbons and parts used as ties . 28
9.2.1 Rationale. 28
9.2.2 Requirements . 28
9.2.3 Test methodology . 29
9.3 Loops . 29
9.3.1 Rationale. 29
9.3.2 Requirements . 29
9.3.3 Test methodology . 29
10 Choking hazards . 30
10.1 Introduction . 30
10.2 Hazard due to small components . 30
10.2.1 Rationale. 30
10.2.2 Requirements . 30
10.2.3 Test equipment (also used in 11.2.3) . 31
10.2.4 Test methodology (also in 11.2.4) . 33
10.3 Accessibility of filling materials . 34
10.3.1 Rationale. 34
10.3.2 Requirement . 34
10.3.3 Test equipment . 34
10.3.4 Test methodology . 35
10.4 Airway obstruction . 36
10.4.1 Rationale. 36
10.4.2 Protective mechanisms of the airway . 38
10.4.3 Requirements . 38
10.4.4 Test equipment . 38
10.4.5 Test methodology . 39
11 Suffocation hazards . 39
11.1 Introduction . 39
11.2 Plastic decals and sheeting . 40
11.2.1 Rationale. 40
11.2.2 Requirements . 40
11.2.3 Determination of hazard . 40
11.2.4 Test equipment . 40
11.2.5 Test methodology . 41
11.3 Non air-permeable packaging . 41
11.3.1 Rationale. 41
11.3.2 Requirements - Packaging . 42
11.3.3 Test equipment . 42
11.3.4 Test methodology . 42
12 Ingestion hazards . 42
12.1 Rationale. 42
12.2 Ingestion of small components . 43
12.2.1 Requirements . 43
12.2.2 Test equipment (Also used in 11.2.3) . 43
12.2.3 Test methodology . 45
3
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CEN/TR 13387-3:2015 (E)
13 Hazardous edges and projections . 46
13.1 Introduction . 46
13.2 Edges . 46
13.2.1 Rationale . 46
13.2.2 Requirements - Edges on products and components . 46
13.2.3 Test methodology . 47
13.3 Rigid protruding parts . 47
13.3.1 Rationale . 47
13.3.2 Requirements . 47
13.3.3 Test methodology . 47
13.4 Points and wires . 47
13.4.1 Rationale . 47
13.4.2 Requirement . 47
14 Structural integrity . 47
14.1 Introduction . 47
14.2 Material suitability. 48
14.2.1 Rationale . 48
14.2.2 Requirements . 48
14.3 Strength and durability of the product . 49
14.3.1 Rationale . 49
14.3.2 Requirements . 49
14.3.3 Test methodology . 49
15 Protective function . 49
15.1 Introduction . 49
15.2 Barrier function . 49
15.2.1 Rationale . 49
15.2.2 Requirements . 50
15.2.3 Test equipment - Hip probe . 50
15.2.4 Test methodology . 51
15.3 Restraint systems . 51
15.3.1 Rationale . 51
15.3.2 Terms and definitions related to restraint systems . 52
15.3.3 Requirements . 52
15.3.4 Test equipment . 52
15.3.5 Test methodology . 53
15.4 Footholds . 54
15.4.1 Rationale . 54
15.4.2 Requirements . 54
15.4.3 Test equipment (Templates) . 55
15.4.4 Determination of a foothold . 55
15.4.5 Test methodology . 57
16 Hazard associated with stability . 59
16.1 Rationale . 59
16.2 General requirement . 59
Bibliography . 60
4
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SIST-TP CEN/TR 13387-3:2015
CEN/TR 13387-3:2015 (E)
European foreword
This document (CEN/TR 13387-3:2015) has been prepared by Technical Committee CEN/TC 252 “Child use
and care articles”, the secretariat of which is held by AFNOR.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes CEN/TR 13387:2004.
CEN/TR 13387 comprises the following five parts:
— Part 1: Safety philosophy and safety assessment
— Part 2: Chemical hazards
— Part 3: Mechanical hazards
— Part 4: Thermal hazards
— Part 5: Product information
CEN/TR 13387-3 should be used in conjunction with CEN/TR 13387-1.
This new edition of this Technical Report is a hazard based Technical Report. In comparison with the previous
version, the main changes related to the section on Mechanical hazards are:
— Ageing and wear: Reworded;
— Accessibility of mechanical hazards: Reworded;
— Entrapment Hazards: Addition of a new finger probe and a hip probe;
— Hazards from moving parts: Moving parts separated into two main areas;
— Entanglement hazards: Improvement of the diagram for the ball and chain test; clarification of the clause
for “Cords, ribbons and parts used as ties;
— Suffocation hazards: Clarification of the clause for “Non air-permeable packaging”;
— Hazardous edges and projections: Drawings deleted;
— Protective function: Addition of a hip probe;
— Footholds: Reworded.
5
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SIST-TP CEN/TR 13387-3:2015
CEN/TR 13387-3:2015 (E)
1 Scope
This Technical Report provides guidance information on mechnical hazards that should be taken into
consideration when developing safety standards for child use and care articles. In addition, these guidelines
can assist those with a general professional interest in child safety.
2 Mechanical hazards - Safety philosophy
This clause addresses the most widely known mechanical hazards and is intended to provide guidance when
drafting standards for child use and care articles.
Anthropometric data and information on the abilities of children related to risks are given in Annex A of
CEN/TR 13387-1:2015. When using these data for setting requirements, adequate safety margins should be
considered. These data refer to static and not dynamic anthropometric data, therefore care should be taken if
using these data for anything other than static situations when drafting standards.
When drafting standards, conditions of use should be considered, bearing in mind the behaviour of children.
Also, it is to be considered whether the child is attended or unattended when using the product and also the
child’s access to hazardous features.
For each mechanical hazard a rationale is given, explaining the potential hazard to the child. Requirements,
test equipment and test methods are also given. Where appropriate, these can be used when drafting
standards.
3 Terms and definitions
For the purposes of this document, the following terms and definitions related to mechanical hazards apply.
3.1
mechanical hazards
physical factors which may give rise to injury due to the mechanical properties of products/product parts
3.2
reach envelopes
age related physical data on the reach limits of the limbs of children in different postures, see 4.2
3.3
ageing
change of properties of the material due to exposure to environmental factors such as temperature, humidity,
UV radiation, cleaning agents etc
3.4
mechanical wear
change of mechanical properties due to fatigue or repeated operation of devices, mechanisms and other parts
of the product
4 Accessibility of mechanical hazards
4.1 General
Within the mechanical section no reference is made to specific areas of access, known as access zones. It
would be wrong for this guidance document to specify exact areas of access as these should be determined in
relation to the hazards and risks of individual products and risks when drafting the standard. As a general
guidance to the types of contact associated with mechanical hazards, the following examples are given:
6
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SIST-TP CEN/TR 13387-3:2015
CEN/TR 13387-3:2015 (E)
— the hazardous part is in reach of the child from the intended position of use in particular by head, mouth,
hands or feet and there is a high probability for frequent, intensive and/or prolonged contact.
Requirements need to address this primary contact;
— the hazardous part may be reached by the child or any other child beyond the intended position of use.
The product is considered to remain in its intended position(s). Access to hazardous parts is gained by
passing/moving around the product or when proceeding to the intended position. The risk of harm
deriving from frequent, intensive and/or pro-longed contact may be less probable;
— the hazardous part exists, but cannot be reached by any child.
Irrespective of the access category, the reasonably foreseeable conditions of use should always be
considered when designing children‘s products and/or writing product standards.
4.2 Accessibility areas
Infor
...
SLOVENSKI STANDARD
kSIST-TP FprCEN/TR 13387-3:2014
01-november-2014
Splošna varnostna navodila - Nevarnosti zaradi mehanskih lastnosti
General safety guidelines - Mechanical hazard
Ta slovenski standard je istoveten z: FprCEN/TR 13387-3
ICS:
97.190 Otroška oprema Equipment for children
kSIST-TP FprCEN/TR 13387-3:2014 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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kSIST-TP FprCEN/TR 13387-3:2014
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kSIST-TP FprCEN/TR 13387-3:2014
TECHNICAL REPORT
FINAL DRAFT
FprCEN/TR 13387-3
RAPPORT TECHNIQUE
TECHNISCHER BERICHT
August 2014
ICS 97.190 Will supersede CEN/TR 13387:2004
English Version
General safety guidelines - Mechanical hazard
This draft Technical Report is submitted to CEN members for Technical Committee Approval. It has been drawn up by the Technical
Committee CEN/TC 252.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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 Technical Report. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a Technical Report.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. FprCEN/TR 13387-3:2014 E
worldwide for CEN national Members.
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kSIST-TP FprCEN/TR 13387-3:2014
FprCEN/TR 13387-3:2014 (E)
Contents Page
Foreword .5
1 Scope .6
2 Mechanical hazards .6
2.1 Safety philosophy .6
3 Terms and definitions related to mechanical hazards .6
4 Accessibility of mechanical hazards .6
4.1 General .6
4.2 Accessibility areas .7
4.3 Information .8
5 Entrapment hazards .9
5.1 Introduction .9
5.2 Entrapment of head and neck . 10
5.2.1 Rationale . 10
5.2.2 Terms and definitions related to entrapment hazards . 11
5.3 Requirements . 12
5.4 Test equipment . 13
5.4.1 Probe philosophy. 13
5.4.2 Hip probe . 13
5.4.3 Small head probe . 14
5.4.4 Large head probe . 15
5.4.5 Template for partially bound and V shaped openings . 16
5.4.6 Selection and use of probes . 17
5.5 Test methodology . 18
5.5.1 Feet first openings . 18
5.5.2 Head first openings . 18
5.5.3 Partially bound, V and irregular shaped openings . 18
5.6 Entrapment of fingers . 20
5.6.1 Rationale . 20
5.6.2 Requirements . 21
5.6.3 Test equipment . 21
5.6.4 Test Methodology . 22
5.7 Rationale for entrapment of limbs, feet and hands . 22
6 Hazards from moving parts . 23
6.1 Rationale . 23
6.2 General . 23
6.3 Shearing hazards . 23
6.3.1 Requirements . 23
6.3.2 Test equipment . 24
6.3.3 Test method . 24
6.4 Requirements for crushing hazards . 24
7 Hazards with products designed to fold . 24
7.1 Rationale . 24
7.2 Terms and definitions related to hazards with products designed to fold . 24
7.3 Requirements . 25
7.3.1 Unintentional release of locking mechanisms . 25
7.3.2 Test methodology . 25
8 Hazards due to inadvertent release of attachment mechanisms . 25
2
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kSIST-TP FprCEN/TR 13387-3:2014
FprCEN/TR 13387-3:2014 (E)
8.1 Rationale. 25
8.2 Requirement . 25
8.3 Test methodology . 26
9 Entanglement hazards . 26
9.1 Snagging hazards . 26
9.1.1 Rationale. 26
9.1.2 Requirements . 26
9.1.3 Test Equipment . 26
9.1.4 Test Methodology for loop and mass . 28
9.2 Cords, ribbons and parts used as ties . 28
9.2.1 Rationale. 28
9.2.2 Requirements . 29
9.2.3 Test methodology . 29
9.3 Loops . 30
9.3.1 Rationale. 30
9.3.2 Requirements . 30
9.3.3 Test methodology . 31
10 Choking hazards . 31
10.1 Introduction . 31
10.2 Hazard due to small components . 31
10.2.1 Rationale. 31
10.2.2 Requirements . 31
10.2.3 Test equipment (also used in 11.2.3) . 32
10.2.4 Test methodology (also in clause 11.2.4) . 34
10.3 Accessibility of filling materials . 35
10.3.1 Rationale. 35
10.3.2 Requirement . 35
10.3.3 Test equipment . 35
10.3.4 Test methodology . 37
10.4 Airway obstruction . 37
10.4.1 Rationale. 37
10.4.2 Protective mechanisms of the airway . 39
10.4.3 Requirements . 39
10.4.4 Test equipment . 39
10.4.5 Test methodology . 40
11 Suffocation hazards . 40
11.1 Introduction . 40
11.2 Plastic decals and sheeting . 40
11.2.1 Rationale. 40
11.2.2 Requirements . 40
11.2.3 Determination of hazard . 40
11.2.4 Test equipment . 41
11.2.5 Test methodology . 41
11.3 Non air-permeable packaging . 42
11.3.1 Rationale. 42
11.3.2 Requirements . 42
11.3.3 Test equipment . 43
11.3.4 Test methodology . 43
12 Ingestion hazards . 43
12.1 Rationale. 43
12.2 Ingestion of small components . 43
12.2.1 Requirements . 43
12.2.2 Test equipment (Also used in 11.2.3) . 44
12.2.3 Test methodology . 46
3
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kSIST-TP FprCEN/TR 13387-3:2014
FprCEN/TR 13387-3:2014 (E)
13 Hazardous edges and projections . 47
13.1 Introduction . 47
13.2 Edges . 47
13.2.1 Rationale . 47
13.2.2 Requirements . 47
13.2.3 Test methodology . 48
13.3 Rigid protruding parts . 48
13.3.1 Rationale . 48
13.3.2 Requirements . 48
13.3.3 Test methodology . 48
13.4 Points and wires . 48
13.4.1 Rationale . 48
13.4.2 Requirement . 48
14 Structural integrity . 48
14.1 Introduction . 48
14.2 Material suitability. 49
14.2.1 Rationale . 49
14.2.2 Requirements . 49
14.3 Strength and durability of the product . 49
14.3.1 Rationale . 49
14.3.2 Requirements . 50
14.3.3 Test methodology . 50
15 Protective function . 50
15.1 Introduction . 50
15.2 Barrier function . 50
15.2.1 Rationale . 50
15.2.2 Requirements . 50
15.2.3 Test equipment . 51
15.2.4 Test methodology . 52
15.3 Restraint systems . 52
15.3.1 Rationale . 52
15.3.2 Terms and definitions related to restraint systems . 52
15.3.3 Requirements . 53
15.3.4 Test equipment . 53
15.3.5 Test methodology . 54
15.4 Footholds . 55
15.4.1 Rationale . 55
15.4.2 Requirements . 55
15.4.3 Test equipment (Templates) . 55
15.4.4 Determination of a foothold . 56
15.4.5 Test methodology . 57
16 Hazard associated with stability . 60
16.1 Rationale . 60
16.2 General requirement . 60
Bibliography . 61
4
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kSIST-TP FprCEN/TR 13387-3:2014
FprCEN/TR 13387-3:2014 (E)
Foreword
This document (FprCEN/TR 13387-3:2014) has been prepared by Technical Committee CEN/TC 252 “Child
use and care articles”, the secretariat of which is held by AFNOR.
This document is currently submitted to the Technical Committee Approval.
This document will supersede CEN/TR 13387:2004.
CEN/TR 13387 comprises the following five parts:
— Part 1: Safety philosophy and safety assessment
— Part 2: Chemical hazards
— Part 3: Mechanical hazards
— Part 4: Thermal hazards
— Part 5: Product information
FprCEN/TR 13387-3 should be used in conjunction with prCEN/TR 13387-1.
This new edition of this Technical Report is a hazard based Technical Report. In comparison with the previous
version, the main changes related to the section on Mechanical hazards are:
— Ageing and wear: Reworded;
— Accessibility of mechanical hazards: Reworded;
— Entrapment Hazards: Addition of a new finger probe and a hip probe;
— Hazards from moving parts: Moving parts separated into two main areas;
— Entanglement hazards: Improvement of the diagram for the ball and chain test;
— Entanglement hazards: Clarification of the clause for “Cords, ribbons and parts used as ties”;
— Suffocation hazards: Clarification of the clause for “Non air-permeable packaging”;
— Hazardous edges and projections: Drawings deleted;
— Protective function: Addition of a hip probe;
— Footholds: Reworded.
5
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kSIST-TP FprCEN/TR 13387-3:2014
FprCEN/TR 13387-3:2014 (E)
1 Scope
This Technical Report addresses the most known mechanical hazards and is intended to provide guidance
when drafting standards for child use and care articles.
2 Mechanical hazards
2.1 Safety philosophy
This clause addresses the most widely known mechanical hazards and is intended to provide guidance when
drafting standards for child use and care articles.
Anthropometric data and information on the abilities of children related to risks are given in Annex A of
prCEN/TR 13387-1. When using these data for setting requirements, adequate safety margins should be
considered. These data refer to static and not dynamic anthropometric data, therefore care should be taken if
using these data for anything other than static situations when drafting standards.
When drafting standards, conditions of use should be considered, bearing in mind the behaviour of children.
Also, it is to be considered whether the child is attended or unattended when using the product and also the
child’s access to hazardous features.
For each mechanical hazard a rationale is given, explaining the potential hazard to the child. Requirements,
test equipment and test methods are also given. Where appropriate, these can be used when drafting
standards.
3 Terms and definitions
For the purposes of this document, the following terms and definitions related to mechanical hazards apply.
3.1
mechanical hazards
physical factors which may give rise to injury due to the mechanical properties of products/product parts
3.2
reach envelopes
age related physical data on the reach limits of the limbs of children in different postures, see 4.2
3.3
ageing and wear
exposure to different temperature ranges, humidity, UV radiation (including sunlight), weather conditions and
other forms of ageing may cause some materials to become weak or brittle, or their chemical properties may
change. When developing technical standards, if ageing is identified as a hazard for the product, specific
requirements and test methods to simulate ageing should be defined
3.4
mechanical wear
almost all products are subject to mechanical wear when used. There might be friction between moving parts
of the product or between the product and something else. Typical examples are products that are possible to
fold/unfold, take apart or adjust. This movement might, in time, significantly affect the safety of the product.
When developing technical standards, if wear is identified as a hazard for the product, specific requirements
and test methods to simulate wear should be defined
4 Accessibility of mechanical hazards
4.1 General
6
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kSIST-TP FprCEN/TR 13387-3:2014
FprCEN/TR 13387-3:2014 (E)
Within the mechanical section no reference is made to specific areas of access, known as access zones. It
would be wrong for this guidance document to specify exact areas of access as these should be determined in
relation to the hazards and risks of individual products and risks when drafting the standard. As a general
guidance to the types of contact associated with mechanical hazards, the following examples are given:
— the hazardous part is in reach of the child from the intended position of use in particular by head, mouth,
hands or feet and
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.