Kuvandudza simba segirazi faibha saizi inoumbwa mune yakasimbiswa polyester macomposites.Wedzera simba rekutanga uye rakanyorova reakasimbiswa polyester resin composites, seyakagadzirwa marble (artificial marble), artificial quartz.Inonatsiridza hunyoro hwemagetsi zvimiro zveakawanda mamineral-akazadzwa uye akasimbiswa macomposites.Crosslinks acrylic type resin inovandudza kunamatira uye kusimba kweanonamira uye machira.