Imwe yekubatanidza yekubatanidza yekumhanyisa controller, inoshandiswa mune pneumatic pombi.Mhete yekuburitsa inotora dhizaini dhizaini, iri nyore uye inochengetedza basa pakubvisa.Kunyangwe mushure mekuiswa, kutungamira kwetubing kunogona kuchinjwa zvakasununguka.Inokodzera polyurethane kana nylon tubing.