Ensigo eyeetooloovu tejja nga ku lupapula lwayo kuliko sitampu ku lunaku lw’okuggwaako —naye ekyo tekitegeeza nti ewangaala emirembe gyonna. Okusinziira ku EN 1492-2, omutindo gw’Abazungu ogwa roundslings, working load limit (WLL) n’ensonga y’obukuumi birambikiddwa, naye obulamu bw’okuweereza businziira ku mbeera entuufu ey’okukozesa. Abamu ku bakola ebintu balambika obulamu obusinga obunene obw’emyaka 10 okuva lwe yasooka okukozesebwa mu mbeera ennungi.