1, Mechanical habeli mahlakoreng a futhumatsang, e le hore mocheso shrinkage, ho baka dihlahiswa ka ba holimo le tlaase ka nako e tšoanang ka mocheso, 'me hodimo le tlase mocheso phapang e nyenyane, sehlahisoa mocheso shrinkage, ho baka tshebetso e sa deformed, eseng discolouration, boleng le botsitso.
2, ho fepa ka mokhoa oa kopano, ho fokotseha ha mocheso, lebelo la ho baka, bokhoni bo phahameng, ho ntlafatsa haholo katleho ea tlhahiso.
3, sebopeho se bulehileng, se ka etsa hore sehlahisoa sa sebakeng seo se futhumale, ho thibela tšenyo ea likarolo tse ling tsa likarolo tsa sehlahisoa.
4, mocheso o futhumatsang le lebelo la ho tsamaisa li ka fetoloa le ho laoloa ho fihlela litlhoko tsa mocheso le katleho ea lihlahisoa tse fapaneng.
5, Chassis habeli khetla moralo, 'me bohareng ba sandwich le phahameng-mocheso insulation k'hothone, e le hore mocheso oa bokantle ba khetla ke ke ho overheated, eseng feela ho etsa hore ho sebetsa maemo a phutholohile, empa hape ho fokotsa matla a litšila.
