Gabatarwa da ƙarancin ƙasa na sarrafa sharar gida, ingantacciyar rarrabuwa da sarrafa kayan sharar gida sun zama mallaki. Ofaya daga cikin kayan aiki na kayan aiki a cikin wannan yanki shine allon trommel. Wannan na'urar allo na siliki yana taka muhimmiyar rawa wajen rabuwa da s

Gabatarwa na duniya aiki da kayan rabuwa, rarrabuwar kawuna, rabuwa da yawa yana fitowa a matsayin wani yanayi na yau da kullun don rarrabe cututtukan heterogeneous. Wannan dabarar ta dogara da bambance-bambance a cikin abubuwan da ke cikin kayan duniya don samun rarrabuwa. A farkon wannan fasaha

Kayan aikin gabatarwa na taka rawa a cikin hakar ma'adanai, gini, da kuma sake sarrafa masana'antu ta hanyar rage manyan duwatsu da sauran kayan cikin karami, mafi m. Fahimtar da murkushe kayan aiki da kuma ka'idojin aikinta yana da mahimmanci ga kowa a cikin kayan P