A na-enweta ọrụ nduzi na ntinye aka site na akàrà n'onwe ha na obere oghere.
Kwesịrị ekwesị maka ojiji na mmanụ ịnweta mmanụ HFA, HFB na HFC ọkụ hydraulic mmanụ (oke okpomọkụ 60 ℃).
Akara dị mfe ịwụnye
Owuwu piston dị mfe.
Geometry pụrụ iche nke mmechi akara NBR na-enye ohere ntinye na-enweghị mgbagha n'ime uzo.