Ukukhiqiza i-rubber tube kusukela ngo-1992 ngonyaka. Sinikezela ngeshubhu yekhwalithi engasetshenziswa njengeshubhu yeqhwa ebusika, futhi ingasetshenziswa njengeshubhu lokubhukuda ehlobo. Sicela usithinte mayelana nemininingwane eyengeziwe.
Isikhathi sokuthumela: Jun-08-2021