Ho lula u ntlafatsa tsamaiso ea taolo e ntle, tumelo le boleng bo botle ka bophara ke litlhokahalo tsa bareki tsa Chaena ea Chaena,Off Roock Jack,Jack e telele e emetse literaka tse phahamisitsoeng,Worm Screw Jack,22 Jack e eme. Hajoale, re lebelletse tšebelisano e kholo le ho feta le bareki ba feta e ipapisitse le melemo ea bobeli. Ka kopo ikutloe u lokolohile ho ikopanya le rona bakeng sa lintlha tse ling. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, la Autheria, la Latchester, ho hlokahala hore le tsebe ho tseba. Re tla thabela ho u hlahisetsa mantsoe a qotsitsoeng ho fumana lintlha tse akaretsang. Re na le thepa ea rona ea botho R & D Ho kopana le mang kapa mang oa ho ngola hamorao le ho tšepa hore o tla ba le monyetla oa ho sebetsa hammoho ka bokamoso. Rea u amohela ho sheba mokhatlo oa rona.