Lokacin da crane na babbar motar da ke amfani da na'ura mai jujjuyawa don lodawa da saukewa, ya kamata a tabbatar da cewa kauri na birgima daidai ne, ta yadda amfani da mafi santsi, faɗin abin da ya zama faɗin santimita 50, ya hana sanya safar hannu don cikawa. mirgina, don hana zamewa.A cikin yin amfani da dagawa manyan hasumiya na kayan aiki, kamata ya yi aiki tare da fiye da daya winch hadin gwiwa aiki, to winch iska gudun don kula da daidaito, don tabbatar da cewa hasumiya a kan karfi maki a cikin ma'auni, don kauce wa m karfi da kuma kai ga dagawa kayan aiki hasumiya nakasawa. .A cikin amfani da hanyar slewing ko hanyar jujjuya don ɗagawa, hasumiya na ƙasa don kiyaye kwanciyar hankali, yana buƙatar shigar da gyara don taimakawa, don daidaita tsarin ɗagawa da aka yi ta hanyar bugun kwance.