Ohlelweni lokucindezela lwanamuhla lokuqedela, i-bult pulley yendlela yokuvumelanisa isongwe ngesikulufa, uhlelo lwebhande lwamazinyo lwe-pulley pulley pulley shlow shlow kanye ne-axis ye-axis eguquguqukayo yokujikeleza okuguqukayo okuya phezulu naphansi.
Funda kabanzi