Nkọwa teknụzụ
Ịrụ ọrụ ngwaahịa na teknụzụ
Akụkụ ihe na-awụ akpata oyi n'ahụ
mkpanaka piston:
Mkpanaka piston bụ ihe dị mkpa maka ibunye ike n'ime ihe na-akpata ujo. A na-ejikarị ígwè alloy dị elu eme ya, dị ka chromium-molybdenum alloy steel. Ihe a nwere ike na ike dị mma ma nwee ike iguzogide mmetụta mmetụta n'oge ịnya ụgbọ ala. Elu nke mkpanaka piston ga-enweta nhazi dị mma na ọgwụgwọ okpomọkụ iji meziwanye ike elu ya ma na-eyi nguzogide. Dịka ọmụmaatụ, ka emechara ọgwụgwọ na iwe ọkụ, ike elu nke mkpanaka piston nwere ike iru n'ụkpụrụ siri ike Rockwell, na-egbochi nke ọma iyi elu n'oge mgbasawanye na mkpirisi ugboro ugboro.