1. Asikho isidingo sokulawula ukuphakama kweziqongo ezimbili zomsebenzi womshini 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 yasekuqaleni ye-unilateral yokushwibeka yesandla ukuvimbela umshini ukuthuthumela 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 umsiki wefilimu omile we-single-rotary wawugqokwa kalula.