Idizayini ebunjiwe ye-engeli yomkhawulo wokusika ngamandla ngamandla nemisebenzi yokusika ngokunemba, inika amandla iqhwa eligingqikayo enkingeni ukunciphisa ukumelana futhi lifinyelele emiphumeleni emihle yokusebenza kwemishini yokuzilungisa iqhwa.