Hōʻike ka papa ʻaina i kēia manawa i nā ala ʻEulopa maʻamau U (UPN, UNP),Hōʻike kila UPN(UPN beam), nā kikoʻī, nā waiwai, nā ana. Hana ʻia e like me nā kūlana:
DIN 1026-1: 2000, NF A 45-202: 1986
EN 10279: 2000 (Hoʻomanawanui)
EN 10163-3: 2004, papa C, papa haʻahaʻa 1 (Ke kūlana ʻili)
STN 42 5550
ČTN 42 5550
TDP: STN 42 0135