Iingoma ze-rubber ze-ASV zenziwe ngezinto eziphezulu zerubha, ezinokumelana nokunxiba okungcono kunye nokumelana nokukrazula, okwenza ukuba zilungele ukusetyenziswa kwiindawo ezahlukeneyo ezinzima.
Iingoma ze-rubber ze-ASV zenziwe ngezinto eziphezulu zerubha, ezinokumelana nokunxiba okungcono kunye nokumelana nokukrazula, okwenza ukuba zilungele ukusetyenziswa kwiindawo ezahlukeneyo ezinzima. Ngenxa yezinto ezithambileyo, iingoma zenza ingxolo encinci kunye nokungcangcazela ngexesha lokusebenza, ngokuqhelekileyo kubangela umonakalo omncinci emhlabeni, okwenza ukuba zilungele ukusetyenziswa engceni, iigadi, kunye nezinye iindawo ezibuthathaka.
Ngenxa yezinto ezithambileyo, iingoma zenza ingxolo encinci kunye nokungcangcazela ngexesha lokusebenza, ngokuqhelekileyo kubangela umonakalo omncinci emhlabeni, okwenza ukuba zilungele ukusetyenziswa engceni, iigadi, kunye nezinye iindawo ezibuthathaka.