1, dacewa sarrafa yankan karfi da yankan gudun dacewa sarrafa yankan karfi da yankan gudun kayan aiki, shi ne daya daga cikin ingantattun hanyoyin rage zafin jiki na yankin sarrafawa da tsawaita rayuwar aikin yankan ruwa. A lokacin sarrafa kayan aiki masu wuya, yawanci ana amfani da ƙwaƙwalwar ƙwaƙwalwar kayan aiki, zurfin yankan da fadin yankan ba su da yawa. Lokacin zaɓar yankan layi gudun, dole ne a yi la'akari da dangane da daban-daban kayan nau'ikan, sassa tsarin da kuma aiki kayan aiki. Gabaɗaya, idan aiki kayan ne nickel tushen gami, layi gudun ya kamata sarrafa a 20 zuwa 50 mita a kowace minti; processing kayan ne titanium gami, line gudun ya kamata a sarrafa a 30 zuwa 110 mita a kowace minti; Kayan aiki ne na bakin karfe na PH, saurin layi ya kamata a sarrafa shi a cikin kewayon mita 50 zuwa 120 a minti.

2, Zaɓi dacewa yankan hanyar Don wuya aiki kayan, zaɓi daban-daban yankan hanyoyin yankan ruwa lalacewa ne babban bambanci. Ko da menene hanyar yankan da aka zaɓa, ka'idar ita ce rage yankan ƙarfi kamar yadda zai yiwu, rage zafin jiki na yankan yankin. Amfani da hanyar yankan waya na iya rage yankan yankin, don haka ainihin yankan kunshin yankan ruwa ya kai ƙarami, don haka ya tsawaita lokacin zafi na kowane hakori na kayan aiki, rage yankan zafin jiki; Amfani da madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaida Kuma amfani da manyan abinci yankan hanyar, da ƙananan yankan zurfin, manyan abinci yadda ya kamata rage yankan karfi, sa aiki samar da ƙananan yankan zafi, aiki yankin zazzabi ƙananan.