Kei a NSEN ngā hanganga e rua-ahu me te kotahi-ahu mō ngā kiritaki, me te momo hononga Wafer, momo takirua flange, momo Lug me te momo Butt Weld. Hei whakahaere i tō kōwhiringa takirere, ka whakaratohia he kaiawhina ngaio i muri i tō tukunga mai i ngā taipitopito o te āhua mahi. Hei wheako i tā mātou ratonga pono, tukua mai tō patai inaianei!