Imipira yicyuma idafite ishingiro yujuje ibisabwa umupira udashidikanywaho ufite ubumuga bwiza no kurwanya ruswa. Kurwanya kuroga birashobora kwiyongera binyuze mu kudashyirwaho. Imipira yabadashishwa kandi yashize ikoreshwa cyane muri valve nibikoresho bifitanye isano.