Kuetlaxkuepa. In SIS ukichij in tlanextilis ipan IPAM kani ukin nextilikeken muchis in amatl tlen amapohual mexicame, Norma Mexicana NMX-R-025-SCFI-2015.
Ika ijkon mamuhuelitakan ken zihuame huan tlakame nun ika kenka in UNIS tlen ika in ka in IPAM ika in tekime tlen kichijtikate nun ika in tlayekankame kitake mamuchi kenkitake in amapohuale.