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 cylinders nrụgide 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 rụpụta ngwaahịa nke nha ahaziri ahazi, ọ bụrụhaala na ọ dị n'ime asambodo anyị.Biko nye nkọwa zuru ezu nke ngwaahịa ịchọrọ, anyị ga-emere gị eserese teknụzụ.