Ama-ovaroli weamabhulukwe ezemidlalozixega.Izinto ezisetshenziswayo ngokuvamile ziyi-chemical fiber noma ukotini, ofaneleka ukuzivivinya kanzima.

Amabhulukwe ajwayelekilezilungele ukuhamba ngaphandle kokuzivocavoca okukhandlayo.Ngokuvamile, amabhulukwe abanzi.

Amabhulukwezigxile emdlalweni othize, futhi isitayela noma izinto ezisetshenziswayo zinezidingo ezithile.Amabhulukwe anyakazayo agqokwa imidlalo ekhethekile.

Ama-ovaroli amabhulukwe ezemidlalo akhululekile, futhi ngokuvamile ayenziwe ngezinto ezifanele ukuvivinya umzimba ngamandla.