Akara teknụzụ mmepe ogbo anọ

Ihe atụ a na-ahụkarị na akụkọ ihe mere eme nke akara bụ akara pneumatic juru eju na 1970, bụ nke e mere iji jigide ihe nkiri na-ete mmanụ n'akụkụ ebe ọrụ ya ma jiri ya na sistemu pneumatic na-enweghị mmanụ.Ngwa nke ụdị akara a, ọ bụ naanị mkpa ka etinyere ya n'oge mmanye mbụ, a ka na-eji ụdị a eme ihe.