I-Rockben iyisitoreji samathuluzi esiphelele somthengisi kanye nomhlinzeki wemishini yokusebenzela.
Umthamo othwala umthwalo we-Locker ngokuvamile ubhekisa emandleni athela umthwalo wamashalofu ngaphakathi. Lapho abathengi abaningi bebheka umthamo othwala umthwalo, bavame ukucabanga ngokwandisa ubukhulu bamapuleti ensimbi bese becela abakhiqizi ukuthi banikeze ubukhulu benyama. Lesi yindlela ejwayelekile, kepha ngokubona kwezobuchwepheshe noma ukukhiqiza, ayinembile ngokuphelele.
Siqhube izivivinyo ngalolu daba. Ishalofu elilinganisa ama-930mm ubude, 550mm ngobubanzi, futhi 30mm ukuphakama, uma kwenziwa ngamapuleti ensimbi abunjiwe abunjiwe, umthamo ohlolwe umthwalo onamakha amanzi, amandla ahlolwe umthwalo afinyelele kumandla angu-210kg, anamandla amakhulu kakhulu. Ngalesi sikhathi, ishelufu linesisindo esingu-6.7kg. Uma ubukhulu bensimbi yensimbi buguqulwa bube ngu-1.2mm, umthamo othwala umthwalo futhi ufinyelela ku-200kg ngaphandle kokukhishwa, kepha isisindo seshalofu sanda ku-9.5kg. Ngenkathi umgomo wokuphela uhlala unjalo, ukusetshenziswa kwezinsiza kuhlukile. Uma abathengi baphikelela kumapuleti ensimbi amakhulu, abakhiqizi bazokuvuselela, kepha abathengi bathola izindleko ezingadingekile.
Vele, usebenzisa amapuleti ensimbi angama-0.8mm ukufezekisa amandla aphezulu okulayisha adinga ukwakheka okuthile kwesakhiwo nemininingwane yokucubungula. Ngenkathi le ndatshana ingasebenzi ekucacisweni, uma kunesidingo esinjalo, kungcono ukuthi ochwepheshe bethu bobuchwepheshe bahlinzeka ngesisombululo esifanele, kunokuba bagxile ekubumbeni kwamapuleti ensimbi.