Izikulufu ze-truss head phillips screws zisetshenziswa kakhulu izibophelelo ezaziwa ngomklamo wazo oyingqayizivele wekhanda, ohlinzeka ngendawo enkulu yendawo yokuqina okuthuthukisiwe nokusatshalaliswa komthwalo. Njengoba cishe iminyaka engama-30 yesipiliyoni embonini yezinsimbi, imboni yethu igxile ekukhiqizeni izikulufu zekhanda le-truss. Sinikeza izinketho eziningi ezahlukene futhi sihlinzeka ngezinsizakalo zokwenza ngokwezifiso ukuhlangabezana nezidingo ezithile zamakhasimende. Kungakhathaliseki ukuthi kwenziwa ngendlela oyifisayo ngokusekelwe kumasampuli, imidwebo, noma izidingo ezithile ezifana nokufunwayo noma ukwenza ngokwezifiso ukukhanya, sinolwazi lokuletha izikulufu zekhanda le-truss zekhwalithi ephezulu eziklanyelwe ukucaciswa kwakho ngqo. Ukwengeza, sihlinzeka ngezinsizakalo eziphelele zokuthengisa kwangaphambili, ukuthengisa, kanye nezinsizakalo zangemuva kokuthengisa, ezinikeza izixazululo eziphelele zomhlangano zamakhasimende ethu.