ʻO Fastener kahi ʻano ʻāpana mechanical i hoʻohana nui ʻia no ka hoʻopili pili.ʻO nā mea hoʻopaʻa, ʻoihana i hoʻohana nui ʻia, e like me ka ikehu, ka uila, nā mea uila, nā mīkini, ʻoihana kemika, metallurgy, mold, hydraulic, a pēlā aku, i nā ʻano mīkini āpau, nā lako, nā kaʻa, nā moku, rai ...
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