Makina opaka feteleza
Makina opaka feteleza ndi mtundu wamakina akumafakitale omwe amagwiritsidwa ntchito kuwonjezera zokutira zoteteza kapena zogwira ntchito ku tinthu ta feteleza.Chophimbacho chingathandize kupititsa patsogolo mphamvu ndi mphamvu ya feteleza popereka njira yoyendetsera bwino, kuteteza feteleza ku chinyezi kapena zinthu zina zachilengedwe, kapena kuwonjezera zakudya kapena zina zowonjezera ku feteleza.
Pali mitundu ingapo yamakina opaka feteleza omwe alipo, kuphatikiza zokutira ng'oma, zokutira poto, ndi zokutira zothira madzi.Opaka ng'oma amagwiritsa ntchito ng'oma yozungulira kuti agwiritse ntchito zokutira ku tinthu ta feteleza, pamene zopaka poto zimagwiritsa ntchito poto yozungulira kuti azipaka.Zovala zamadzimadzi zimagwiritsa ntchito mpweya wa mpweya kuti usungunuke tinthu ta feteleza ndikuyika zokutira.
Ubwino umodzi wogwiritsa ntchito makina opaka feteleza ndikuti umathandizira kuwongolera bwino komanso mphamvu ya feteleza, zomwe zingayambitse zokolola zabwino komanso kuchepa kwa zinyalala.Makinawa angathandizenso kuchepetsa kuchuluka kwa feteleza wofunikira pakugwiritsa ntchito, zomwe zingathandize kuchepetsa ndalama komanso kuchepetsa kuwonongeka kwa chilengedwe.
Komabe, palinso zovuta zina zogwiritsa ntchito makina opaka feteleza.Mwachitsanzo, makinawo angafunike mphamvu zambiri kuti agwire ntchito, zomwe zingapangitse kuti pakhale ndalama zambiri zamphamvu.Kuonjezera apo, kupaka utoto kungafunike kugwiritsa ntchito zokutira zapadera kapena zowonjezera, zomwe zingakhale zodula kapena zovuta kuzipeza.Pomaliza, kupaka utoto kungafunike kuyang'anira mosamala ndikuwongolera kuti zitsimikizire kuti zokutira zikugwiritsidwa ntchito mofanana ndi makulidwe oyenera.