Ndi ulusi wanji pa screw?
Ulusiwo ndi mzere womwe umazungulira thupi la screw. Mukayang'ana kuchokera kumbali, ulusi wa screw umawonekera ngati mizere ndi mizere mozungulira thupi la screw. Ngakhale kuti m’mbali zonsezi ndi mbali ya ulusi womwewo, amatchedwa ulusi. | ||||
| PitchMasitepe ndi mtunda wochoka kumtunda kupita ku wina. Muyezo uwu udzakuwuzani kutalika komwe screw idzayenda mukusintha kumodzi. Sirawa yokhala ndi phula lalikulu (mtunda waukulu pakati pa makhoti) idzayenda mokulirapo pakatembenuka. | |||
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