Ndi chitukuko cha anthu, nkhani zachitetezo chamsewu zalandira chidwi chowonjezereka, ndipo magwiridwe antchito achitetezo amakopa chidwi kwambiri. Posachedwapa, muyezo watsopano wachitetezo chagalimoto - satifiketi ya PAS 68 yakopa chidwi chambiri ndipo yakhala nkhani yotentha kwambiri pamsika.
Satifiketi ya PAS 68 imatanthawuza mulingo woperekedwa ndi British Standards Institution (BSI) wowunika kukana kwagalimoto. Muyezo uwu sungoyang'ana pachitetezo cha galimoto yokhayo, komanso imakhudzanso chitetezo cha zomangamanga zoyendera. Satifiketi ya PAS 68 imadziwika kuti ndi imodzi mwamiyezo yolimba kwambiri yachitetezo pamagalimoto padziko lapansi. Kuwunika kwake ndikokhazikika komanso mosamala, kumakhudza zinthu zambiri, kuphatikiza kapangidwe kagalimoto, mphamvu zakuthupi, kuyesa ngozi, ndi zina zambiri.