Makina opukutira a NKB5, omwe amatchedwanso makina ogwiritsira ntchito sanza, makina osindikizira a chiguduli amagwiritsidwa ntchito popanikiza zinthu zing'onozing'ono komanso zofewa, monga zovala, nsalu, utuchi, feteleza, zinthu zodyetsa, ndi zina, ndiye kulongedza zinthuzo m'matumba ang'onoang'ono komanso ang'onoang'ono.
makina ogwiritsiridwa ntchito awa ndi abwino pochepetsa kuchuluka kwa matabwa, mankhusu ampunga. zisanza zogwiritsidwa ntchito, nsalu, ndi zina zotayirira, kudyetsa kwake ndi manja kapena zotumizira zonse zili bwino.