Ekhulwini le-2 BC, iChina lisebenzise amandla futhi lasebenzisa i-bamboo Bow Elastic Force ukwenza isigaxa sokushayela sibe nomthelela emhlabathini. Kamuva, yasetshenziswa emaphandleni China isikhathi eside. Kwakungekho kuze kube ngu-1950 ukuthi izintambo zokushayela ezintanjeni zentambo zazethulwa kusuka phesheya. Ngasekuqaleni kweminyaka yo-1960s, ama-rigs alula okumba kahle afana nezigaxa ezinkulu zamabhodwe amakhulu nezincane kanye nezigaxa ze-punch-grab zakhiwa. Cishe ngo-1966, i-ring yokugibela ukujikeleza kokujikeleza kokujikeleza kwaqala yathuthukiswa, i-ric yokushayela ejikelezayo yokujikeleza kanye ne-rig ehlanganisiwe yathuthukiswa ngempumelelo cishe ngo-1974, futhi umgodi ovuthayo wokuvusa ama-rotary adalwe ngasekupheleni kwawo-1970. Amazwe ase-European and America asetshenziswa ikakhulukazi izintambo zokumba izintambo zokushayela ngekhulu le-19. Ngawo-1860s, iFrance yaqala ukusebenzisa ama-rigs wokuvutha ajikelezayo ajikelezayo, kamuva angeniswa e-United States futhi yathuthukiswa ngokushesha okukhulu. Ngawo-1950s, ukuthuthukiswa kokuphambuka okujikelezayo okujikelezayo okujikelezayo. Kamuva, ama-rig ajikelezayo wokujikeleza ajikelezayo asebenzisa umoya ocindezelwe esikhundleni sodaka njengoba kuvela okuphakathi komthombo. Ngawo-1970s, kwakhiwa ama-rigs ajikelezayo e-Hydraulic ajikelezayo.
Isikhathi Sokuposa: Apr-26-2021
