1.Lawo mshini ulawulwa ngomoya ocindezelwe, ngakho-ke afanelekile ezindaweni ezingavikeleki noma ezinomswakama.
2. Ngenxa yezilawuli ze-pneumatic kanye nokuma kwemishini, kunokunemba okuphezulu kokugcwalisa.
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4. Lapho udinga ukumisa umshini esimweni esiphuthumayo, cindezela inkinobho ephuthumayo. I-piston izobuyela emuva endaweni yayo yokuqala futhi ukugcwaliswa kuyomiswa ngokushesha.
I-5. Izindlela ezimbili zokugcwalisa ongakhetha kuzo - 'Manual' kanye 'ne-Auto'.
I-6 .. Ukusetshenziswa kwezinsizakusebenza kungavamile kakhulu.
7. I-Material Barrel iyakhethwa.