Aluminium -
Meesha laalaabinayo guddida isku-dhafka ah ee aluminiumka ah ayaa ah in foil-ka aluminiumku uu dhumuc weyn yahay, marka uu dhumucdiisu sii korodho maqaarka aluminium, ayaa si fiican u laallaabmaya. Qoto dheer ee godka waxaa loo habeeyaa iyadoo loo eegayo dhumucda balaastikada aluminiumka.Marka hore, soo gaab madaxa gooya oo si tartiib ah u tijaabi ilaa maqaarka aluminiumku u muuqdo inuusan soo bixin. Haddii ay aad u qoto dheer tahay, way sahlan tahay in la xoqo maqaarka aluminiumka ah oo keena in cidhifka laalaabka ah uu jabo, haddii uu aad u qoto dheer yahay ma fududa in la laalaabiyo cidhifyada way fududahay in la dillaaco.
Midda kale waa in la isticmaalo madaxa gooya, waxaa jira laba nooc oo madax gooyo ah, U-qaabeeya (badanaa loo yaqaan wareeg ilaa madax) iyo V-qaabeeya (oo loo yaqaan madax gooyo fiiqan) madaxa U-qaabeeya ma fududa in la xoqo. Maqaarka aluminiumka, laakiin geesta laalaabku maaha mid aad u toosan, haddii madaxa gooyaha V-qaabeeya uu ka sii fican yahay, xagasha laalaabka ah ayaa aad u toosan. Maqaarka aluminiumka si uu u dillaaco.Guud ahaan, madaxa 6# gooya waxaa loo isticmaali karaa 4mm aluminium ka kooban guddi.
Laalaabida guddida isku dhafan ee aluminiumku waxay inta badan ku xidhan tahay maqaarka aluminiumka. Fahamka dad badan ayaa ah in caag cayriin ah aan la laabi karin, laakiin caag la kariyey waa la laalaabi karaa.
Dhab ahaantii, tani waa khalad, sababtoo ah balaastigga dhexe waa in laga saaraa isku-laabashada, markaa laalaabku wuxuu inta badan ku xiran yahay dhumucda maqaarka aluminium. Xaaladaha caadiga ah, in ka badan 8 fiilooyin oo inta badan lagu iibiyo suuqa ayaa si buuxda u daboolaya baahiyaha xagasha midig ee 90-degree.