Iiglavu ezilahlwayo zenziwe ngezinto ezintsha ze-HDPE, eziguquguqukayo kwaye zihlala ixesha elide, kwaye umphezulu we-concave kunye ne-convex icutshungulwe ukukhusela i-skid.Ukumelana ne-oyile, ingenatyhefu, ayinancasa, ayinabungozi inokuthintela ukuncamathelisa, ukutywina igloves ingavuzi, inokuqinisekiswa ukuba iyayisebenzisa, yomelele, inokusetyenziswa ngezandla zozibini.
