1. Bolt (stud) buƙatun buƙatun ƙirar filastik, mafi girman matakin aikin, babban matakin abu ne kawai za a iya samu.Ƙananan kayan aiki kawai ta hanyar rage zafin zafin jiki don cimma buƙatun ƙarfi, amma ba za su iya saduwa da filastik ba, buƙatun ƙarfi.Gwajin daɗaɗɗen ƙararrawa, ana yanke hukunci a matsayin wanda bai cancanta ba (ko da ƙarfin juzu'i don biyan buƙatun.) Ƙarfe na tsarin ƙarfe kuma yana ba da matsakaicin ƙarfin juzu'i, shine tabbatar da ƙarfin filastik na kusoshi.
2. Kwaya inji Properties dogara a kan goro taurin da goro tsawo, goro bango kauri, don haka abu bukatun ba high. Hakika, da taurin na goro bukatun, ya kamata kuma ya zama mafi girma matakin na abu, kamar Chemical fasteners kwayoyi. akan buƙatun tauri akan tanadin ƙarin kayan haɓakawa.
Lokacin aikawa: Satumba-13-2022