Winch, nke a makwaara dị ka hoist, bụ obere ihe na-ebuli elu nke nwere eriri waya ma ọ bụ yinye na-efegharị efegharị iji bulie ma ọ bụ dọpụta ihe dị arọ.
The drum bụ akụkụ kasị mkpa nke winch usoro, anyị ụlọ ọrụ pụrụ iche na mmepụta nke LEBUS grooved druml, LEBUS uzo nwere ike n'ụzọ dị irè dozie nsogbu nke multi-layer winding eriri, nwere ike zere onu nke eriri ata ụta, ukwuu zọpụta eriri , melite arụmọrụ ọrụ.
Usoro LeBus bụ usoro iji chịkwaa ụdọ waya na drum winch ka ọ ghara inwe oke bara uru na ọnụ ọgụgụ nke akwa akwa nke enwere ike iji nchekwa kpuchie ya, n'agbanyeghị oke ibu na ọnọdụ ọsọ ma ọ bụ nha nke eriri. na drum.