"Ho ipapisitse le 'maraka oa lapeng' me u atolore khoebo ea maoatleng" ke eona leano la rona la ho kholisoa ka tlas'a Jack ea Jack e eme ka tlas'a jackMojaki oa moea oa ema,Screws ea Jack e maemong,Mechani ea Metle Jack,Worm Screw Jack. Re romelletse linaha le libaka tse fetang 40 tse neng li thabetse botumo bo botle ho liaparo tsa rona tse ntle lefatšeng ka bophara. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, Australia, Sechaba sa Lichelete le Phetoho e Ntle le Phetoho ea Bareki.