Nhazi site na nhazi usoro n'elu piston
① flat top piston: adabara tupu combustion combustion ụlọ maka carburetor engine na turbocurrent combustion ụlọ maka dizel engine.The uru dị mfe rụpụta, n'elu agba edo okpomọkụ nkesa, na obere piston àgwà.
② concave top piston: nwere ike melite ngwakọta liquidity na combustion arụmọrụ maka dizel ma ọ bụ ụfọdụ mmanụ ụgbọala engines.The uru bụ mfe ịgbanwe mkpakọ ruru na combustion ụlọ udi.
③ convex top piston: iji melite mkpakọ ruru, n'ozuzu adabara maka obere ike engines.

Site na nhazi nke uwe mwụda
① sket oghere piston: adabara engines na obere cylinder dayameta na ala gas pressure.Ebumnobi nke slotting bụ iji zere mgbasawanye, a makwaara dị ka piston na-agbanwe.
② sket unslotted piston: a na-ejikarị ya na injin nke nnukwu gwongworo tonnage. A makwaara dị ka piston siri ike.

Nhazi site na piston pin
① piston ebe axis oche pin na-agafe axis piston.
② piston pin oche axis perpendicular na piston axis.