I-Z-LION PCD-21 isiqingatha sesithathu se-PCD sokugaya i-trapezoid sisixhobo esinzima sokususa i-coating yokususa iingubo ezingqingqwa kunye ne-elastomeric ezifana ne-epoxy, urethane, i-polyurethane, i-polyaspartic, i-acrylic, intsalela yeglue, njl. iqhosha elixhasa icandelo.Iza nepleyiti yetrapezoid eqhelekileyo, inokuxhonywa kwiintlobo ngeentlobo zezisila zomgangatho ngemingxuma emi-3 kwipleyiti yetrapezoid.Yenzelwe ukusebenza kwicala elithile, nokuba ngasekunene okanye ngasekunene.