Nchịkọta:
Igwe eji eme akpụkpọ anụ na ule nke agbajiri agbaji, akpụkpọ anụ na-egbu egbu na
Ogo nyocha dị omimi, nwere ike ime, mmiri na-ekwupụta ule abụọ, usoro ule ahụ bụ ajị anụ ọcha
akwa, kechiri n'elu ya na elu nke a na-ekwu okwu ụgha ahụ ugboro ugboro clip ahụ na ihuenyo bench ule, nke nwere ike ọrụ ebe nchekwa
Mezuo ọkọlọtọ:
Igwe ahụ zutere ISO / 105, ASTM / D2054, Aatcc / 8, J0849 ISO - 11640, Satra PM173, WHB / T2537, wdg