Material smaller than 2 mm, such as sawdust or finely chopped wheat, straw or hay, on the other hand, produces dust that is harmful to bird and human health.
Tintfo letingaphansi kwemamilimitha lamabili, lekufana nemphuphu yesihlahla noma emabele lacotjwe kahle, sicumbi setjani lesomisiwe, ngalenye indlela, ikhokha imphuphu leyiyingoti etinyonini kanye nemphilo yebantfu.