Ukukhetha i-gearbox efanelekileyo yeplanethi ibalulekile ekuphuculeni ukusebenza, ukusebenza kakuhle, kunye nokuthembeka kweengalo zerobhothi. Nokuba uyabandakanyeka kwimveliso yemizi-mveliso, iirobhothi zonyango, okanye uphando kunye nophuhliso, ezi zinto zilandelayo ziphambili ziya kukukhokela...
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