Re itšetleha ka matla a tekheniki a tepelletseng mme re beha mahlale a morao-rao ho fihlela tlhoko ea tlhokahalo ea China Chain thibela fektheri ea China.Machinist Screw Jack,Ce e tloaelehileng ea botlolo ea botlolo,Jack bakeng sa koloi,TLHOKOMELISO jack. Morero oa rona oa ho qetela ke "ho nahana ka katleho e atlehang, ho ba se molemohali '. Ka kopo boiphihlelo - Ho lokoloha ho letsetsa le rona haeba u na le liphiri. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, khamphani e thata, Turkey Emirates, United States e amohelang, United States emole, le ho latela lihlahisoa tsa boleng. Khoebo ea rona e ikemiselitse ho "tšepahala le ho ts'epahala, theko e metle, moreki oa pele", kahoo re hapile ts'epo ea boholo ba bareki! Haeba u thahasella lihlahisoa le lits'ebeletso tsa rona, ka kopo u se tsilatsile ho ikopanya le rona!