1, Igishishwa cya orange gikozwe mubyuma bidasanzwe, byoroheje muburyo bworoshye kandi birwanya kwambara;
2, Urwego rumwe rwo gufata imbaraga, gufungura ubugari, uburemere nibikorwa;
3, Umuvuduko ukabije wa silindiri ya peteroli wubatswe kugirango urinde hose;
4, silinderi yamavuta ifite ibikoresho byo kwisiga hamwe nibikorwa byo gukuramo.