Cov ntsia hlau yog fasteners rau kho ntoo, tawv, boards, thiab lwm yam, los yog tsau rau ntawm phab ntsa li hooks. Lawv feem ntau yog siv hauv engineering, woodworking thiab kev tsim kho. Lawv feem ntau taw tes nyuaj hlau. Cov khoom siv feem ntau muaj xws li steel, tooj liab thiab hlau thiab lwm yam. Nws cov duab sib txawv vim siv ntau yam. Comm...
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