Tensioners bụ belt tensioner eji na ụgbọala ụgbọala.The Ọdịdị tensioner bụ tumadi esịnede a ofu casing, a tensioning ogwe aka, a wheel ahu, a torsion mmiri, a Rolling bear na a spring bushing, wdg Ọ nwere ike na-akpaghị aka ịgbanwe tensioning ike dị ka iche iche tightness nke eriri, na-eme ka. usoro nnyefe kwụsiri ike, nchekwa na ntụkwasị obi.
Pulley tensioner ọzọ dị na ngwaahịa.
