Pali mitundu yambiri ya magalasi, kuphatikizapo galasi wamba, kapena galasi lomwe lakonzedwa ndikugwiritsidwa ntchito pamalo apadera. Zofunikira pakuyeretsa ndi kuyeretsa magalasi ndizosiyana. Lero tiyambitsa makina oyeretsera omwe amatha kuyeretsa magalasi owoneka bwino.

Chifukwa cha makhalidwe ake, galasi lowala liyenera kukwaniritsa zofunikira pa kujambula kwa kuwala komanso kukula kwake kocheperako, kotero mankhwala apadera amafunika kuwonjezeredwa panthawi yoyeretsa kuti asungunule fumbi ndi madontho pamwamba pa galasi, ndipo madzi oyera amafunika kuyeretsa galasi. Zipangizo zotsukira magalasi owala zopangidwa ndi kampani yathu zimagwiritsa ntchito kapangidwe kopingasa, kuyeretsa kwa mitundu itatu, ndipo zili ndi matanki atatu amadzi. Zimatsukidwa ndi kupopera kwamphamvu, kutsuka mankhwala, ndi madzi oyera. Pambuyo pa magawo awiri owuma, ntchito yoyeretsa imatsirizika.