Babu wata hanya don wani mai samar da kayan aikin don tabbatar da cewa kayan aikin da ka saya daga gare shi za a yi amfani da shi dindindin kuma zai dawwama har abada. Wannan shine dalilin da yasa mutane da yawa da suka tabbatar da kayan aikinsu har zuwa shekara guda. A Tsohon ɗan adam, sassan jikin mutum zai tsufa, haifar da haifar da cututtuka daban-daban don su zama waɗanda ake aiki. Akwai dalilai da yawa don hayaniya a cikin Hukumar Hydraulic Latsa. Xiao Bian ya taƙaita wasu dalilai na yau da kullun da mafita: (1) Ana amfani da kay

Ana amfani da wadatattun wrenches akafi amfani da su don ɗaure square da sukurori masu yawa da kwayoyi daban-daban. Haske mai daidaitawa yana haɗuwa da babban jiki, abin muƙamuƙi mai tsayayye, jawabai mai motsi da tsutsa. Za'a iya daidaita girman budewarta a cikin wasu kewayon da tsutsa. Bayan haka, bari mu ɗauki wannan kayan aiki da aka saba amfani da shi ta wasu hotunan hrunches masu daidaitawa!

A cikin sabon motsi na hadewar tattalin arziki na duniya, masana'antar masana'antar masana'antar masana'antu ta samar da canjin ta zuwa yankin China, da kuma China za su ci gaba da sannu a hankali a cikin masana'antar duniya. A bayyane ya amfana da Guangdong, musamman ma Kogin Kogin Delta, zai inganta cikin cibiyar samarwa ta duniya a cikin shekaru 10. A lokaci guda, saboda gaskiyar cewa Sinawa ta shigo da molds don kusan dala biliyan 1 ta kowace shekara a cikin 'yan shekarun nan, da fara da rai na rayuwa na rage shigo da kayayyaki, da rabo daga irin wannan manyan