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2. Ewu abisiri ike: A na-ewu cylinder a na-ewu ewu ma na-arụ ọrụ siri ike, na-ejide ikike ya ijikwa ọrụ na-arụ ọrụ siri ike.
3. Sylinder Action Ahịrị na akara ngosi dị elu, na-enye ohere maka mmegharị dị larịị na-arụ ọrụ n'oge ọrụ.
4. Ogologo ụgbọ ala na-agbanwe agbanwe: cydraulic cylingic na-enye ogologo ọrịa ọnya na-agbanwe agbanwe, na-enye mgbanwe mgbanwe na ngwa ya na inye ohere ị ga-enwe.
5. Ndozi dị mfe: Ezubere cylinder maka mmezi dị mfe, yana ịnweta akụrụngwa na usoro ọrụ serptiving, belata oge ọrụ ma na-agbadata arụmọrụ.
