Kodi mitundu ya kukula kwamkati ndi iti?

Dontho mu anchor makamaka ndi mitundu yotsatirayi:

Carbon shael imagwera mu nangula

Oyenera kumanga zinthu zolimba monga konkriti, mwala ndi chitsulo, chomwe ndi mtundu wamba. ‌

Chitsulo chosapanga dzimbiri chimatsika mu nangula

Oyenera nthawi zina zomwe zimafuna dzimbiri komanso kukana kuwonongeka, monga ma arisya a m'madzi ndi zida zamankhwala. ‌

Aluminium mkati mwa ma bolts

Zoyenera nthawi zina zomwe zimafuna zopepuka komanso kukana kuwonongeka, monga magalimoto ndi ndege. ‌

Zojambulajambula ndikuwonetsa mawonekedwe a kuchuluka kwa makulidwe amkati kuchokera m6 mpaka m20, ndipo mitunduyo imaphatikizaponsoM6 dontho mu nangula, M8 dontho mu nangula, M10 dontho mu nangula, M12 dontho mu nangula, M14 dontho mu nangula, M16 dontho mu nangula, M20 dontho mu nangula, etc.