Abantu kufanele bakuthathe ngokungathi sína ukulimala emsebenzini. Ukulimala kanye nokugula okungeyona ingozi emsebenzini kanye nabasebenzi kwenzeka nsuku zonke emhlabeni wonke. Ngenhlanhla, ezimbonini ezisebenzisa ama-FIBC, aziwa nangokuthi izikhwama zenqwaba, izikhwama ezinkulu ezine-SWL eqinile zisiza ukunciphisa izinga lokulimala emsebenzini.

I-SWL (umthwalo ophephile osebenzayo) wama-FIBC ngumthamo ophethe ophephile ophakeme kakhulu. Isibonelo, ama-1000kgs we-SWL asho ukuthi umthamo ophephile ophethe kakhulu ngu-1000kgs.

I-SF (factor factor) yama-FIBCs imvamisa i-5: 1 noma i-6: 1. Ikakhulukazi esikhwameni senqwaba ye-UN, i-SF ka-5: 1 ingesinye sezimo ezidingekayo.

Abakhiqizi bathola ukuhlolwa komthamo omkhulu ukuthola i-SF. Ngesikhathi sokuhlolwa kokulayisha okuphezulu, isikhwama esikhulu esine-SF ka-5: 1 kufanele sibambe ngaphansi kwezikhathi ezi-5 i-SWL ngemuva kokuhamba ngemijikelezo engama-30 yezikhathi ezi-2 ze-SWL. Isibonelo, uma i-SWL ingama-1000kgs, izikhwama eziningi zizophumelela esivivinyweni kuphela uma zingabamba ingcindezi efinyelela kuma-5000kgs, bese zivivinywa nge-cyclic kuma-2000kgs engcindezi ama-30.

Okwamanje, isikhwama senqwaba esine-6: 1 ye-SF sinzima kakhulu. Kufanele ikwazi ukubamba kuze kube izikhathi eziyisithupha i-SWL ngemuva kokudlula kumijikelezo engama-70 yezikhathi ezi-3 ze-SWL. Kulesi simo, uma i-SWL nayo ingama-1000kgs, izikhwama ngobuningi bezizophumelela isivivinyo lapho zibamba ingcindezi engafinyelela kuma-6000kgs, bese zivivinywa nge-cyclic kuma-3000kgs engcindezi ama-70.

I-SWL yingxenye ebalulekile yokwakha indawo yokusebenzela engenabungozi. Kumele kuqashelwe ukuthi abasebenzi kufanele balalele i-SWL ngesikhathi sokusebenza kubandakanya ukufaka, ukukhipha, ukuthutha kanye nesitolo.