I-absorbent ye-wool roll yenziwa ukotini okanyiwe ukukhipha ukungcola bese i-bleached, Ukuthungwa kwayo kuthambile futhi kubushelelezi ngenxa yenqubo yamakhadi.
Uvolo kakotini ushiswa ngezinga lokushisa eliphezulu kanye nokucindezela okuphezulu komoyampilo ohlanzekile, ukuze ungabi nama-neps, imbewu nokunye ukungcola ngaphansi kwe-BP, izidingo ze-EP.
Imunca kakhulu futhi ayibangeli ukucasuka.