Ngwa:Maka cylinders nwere ikike mmiri buru ibu, anyị na-akwado aka plastik iji mee ka ọ dị mfe iji aka na-ebu cylinders. Okpu valvụ rọba na tubes dip dịkwa maka nchekwa.
Mmepụta akpaaka:A na-ekwekwa nkwa ire ụtọ nke interface cylinder site na imegharị ahịrị igwe anyị na-akpụzi akpaka, yabụ na-abawanye ọkwa nchekwa nke cylinder dị elu. Elu-arụmọrụ akpaka nhazi na mgbakọ usoro na-enyere anyị aka inwe ma mmepụta ike na mkpụmkpụ mmepụta oge.
Nhaziri nha:Anyị nwere ike imepụta ngwaahịa nke nha ahaziri iche, ọ bụrụhaala na ọ dị n'ime asambodo anyị. Biko nye nkọwa zuru ezu nke ngwaahịa ịchọrọ, anyị ga-emere gị eserese teknụzụ.