I-1.Isetshenziswa kakhulu ekugqokeni kwezimoto, ezingxenyeni zepuleti zensimbi ezinombala, izigqoko zamathini, izintambo ezinoqweqwe oluqinile kanye nezingubo zasendlini.
I-2.Iphinde ibe yindawo ebalulekile yamakhemikhali amahle, futhi isetshenziselwa ukulungiswa kwe-polyester resin, i-adhesive, i-synthetic fiber, izinto ze-membrane, njll.