1. Asikho isidingo sokulawula ukuphakama kweziqongo ezimbili zokusebenza zomshini lapho isikhunta sidinga ukushintshwa, asikho isidingo sokuhlanganisa noma ukudiliza amaketanga okukhipha impahla kanye ne-hopper yokukhipha.Yehlisa isikhathi sokushintsha isikhunta amahora amane sibe yimizuzu engama-30 yamanje.
2. Kusetshenziswa izindlela zokuvikela ezimbili zohlobo olusha, yingakho ezinye izingxenye eziyisipele ngeke zilimale lapho umshini uphelelwa isinyathelo ngaphandle kokuma komshini.
I-3.Idivayisi yokushwibeka yesandla yasekuqaleni unilateral ukuvimbela umshini unyakazisa kabi, futhi ukungajikelezi kwesondo lesandla ngesikhathi sokusebenza komshini kungavikela ukuphepha komqhubi.
4. Umsiki wefilimu ojikeleza kabili wohlobo olusha angaqinisekisa ukuthi asikho isidingo sokugaya insingo phakathi neminyaka eminingi yokusebenzisa umshini, onqoba inkinga yokuthi isisiki sokusika ifilimu esisodwa esijikelezayo esivamile sasigqokwa kalula.
