Valve kuchengetedza kukiya, inozivikanwawo seLOTO vharafu kukiya, ndeimwe yemaindasitiri ekuchengetedza makiyi.Chinangwa ndechekuona kuti valve inogona kuvharwa zvachose kana kuvhurwa munzvimbo yakachengeteka.Kuvhara kwevhavha kunogona kudzivirira zvinobudirira matambudziko ekuchengetedza anokonzerwa nekusashanda zvakanaka kwevashandi vakakodzera.Iko kushandiswa kwevhavha yevhavhavhavha yekuvhara, kusvika pamwero mukuru wekuvandudza kuchengetedzwa kwevhavha, kunyanya mufekitori yebhizinesi nzvimbo ino, kushandiswa kweLOTO valve lock kunogona kuve nechokwadi chezvakajairika kugadzirwa.