Nekuvandudzwa kwenharaunda, nyaya dzekuchengetedzwa kwemigwagwa dzakagamuchira kutariswa kuri kuwedzera, uye kuita kwekuchengetedza kwemotokari kwakatowedzera kutariswa. Munguva pfupi yapfuura, chiyero chitsva chekuchengetedza mota - chitupa chePAS 68 chakwezva kutarisisa kwakapararira uye chave nyaya inopisa muindastiri.
Chitupa chePAS 68 chinoreva chiyero chakapihwa neBritish Standards Institution (BSI) yekuongorora kusamira kwemotokari. Iyi chiyero haingotarise chete pakuchengetedza mashandiro emotokari pachayo, asi zvakare inosanganisira kuchengetedzwa kwezvivakwa zvekufambisa. Iyo PAS 68 setifiketi inoonekwa zvakanyanya seimwe yeanoomesesa kuchengetedzwa kwemotokari mwero munyika. Maitiro ayo ekuongorora akasimba uye ane hungwaru, anovhara zvinhu zvakawanda, kusanganisira dhizaini yemotokari, simba rezvinhu, kuyedzwa kwekuparara, nezvimwe.