Cikakken Fasaha Fasaha
Aikin samfurin da fasaha
Seating aiki
Seal: High-Siff da zobe na rufin roba ko an yi amfani da gas don tabbatar da cewa gas a cikin bazara ba zai luke ba. Waɗannan hatim ɗin suna da kyakkyawar aiki da kuma rufe aiki kuma suna iya kiyaye abin dogara da hatimin a cikin zazzabi daban-daban da yanayin matsin lamba.
Designing Design: Tsarin tsari gaba ɗaya na girgizar mai sa zuciya shima yana ɗaukar hatimin aikin. Ta hanyar tsarin rufe ido da tsarin taro, da amincin sutturar ta kara inganta don hana aiwatar da yanayin dauke da gas.