Matsayi Sarkar Sarkar Riga da Lever Block ana amfani dashi sosai wajen jigilar kayayyaki, wutar lantarki, sufuri, gini, hakar ma'adinai, sadarwa da sauran sassan kayan aikin, ɗagawa, jan. Istaƙƙarfan hannu yana da aminci, amintacce, mai dorewa, kyakkyawan aiki, mai sauƙin gyara, ƙaramin ƙarfi, nauyi mai sauƙi, dacewa don ɗauka, ba ƙarfin aiki da yawa da ingantaccen aiki, kyakkyawan tsari da kyakkyawan bayyanar. Hoist na sarkar hannu da dunkulallen hannu ana kiransa aikin hannu. Ana amfani da shi don ɗaukar kaya masu nauyi ta hanyar ɗan adam, kuma dole ne a ƙara tsawaita aikin. A cikin aikin sarrafawa, ragowar ya kamata ya zama mai bibiyar abubuwa kyauta amma ba a katange shi ba. Da fatan za a zabi wanda ya dace gwargwadon aikin.