1. Ikhoza kugwiritsidwa ntchito ngati mphamvu ya mpweya Pambuyo pa kuponderezedwa, mpweya ukhoza kugwiritsidwa ntchito ngati mphamvu, zida zamakina ndi pneumatic, komanso zida zoyendetsera ndi zida zodzipangira okha, zida zogwiritsira ntchito zida ndi zida zodzipangira okha, monga kusintha zida m'malo opangira makina, ndi zina zotero. 2. Ndi...
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