Zolemba zamtundu wa PET (zingwe za poliyesitala) zimalola magwiridwe antchito amafakitale kukhathamiritsa magwiridwe antchito pazinthu zina. M'lifupi zosankha kuchokera pa 9mm mpaka 25mm, makulidwe kuchokera ku 0.4mm mpaka 1.25mm, ndi mphamvu zophwanya kuchokera ku 160kg mpaka 1,360kg zimathandizira chilichonse kuyambira pamiyendo wamba mpaka kumangirira zitsulo zolemera. Bukuli likuwunikira zamitundu yonse yazingwe zamtundu wa PET zomwe zilipo pakuyika kwa mafakitale, kuphatikiza zinthu zakuthupi, zosankha zamitundumitundu, ndi njira zosankhidwa zogwiritsira ntchito. Kumvetsetsa kuthekera kosintha kumeneku kumathandiza akatswiri ogula zinthu kusankha zingwe zomwe zimapereka magwiridwe antchito oyenera pazosowa zawo zamafakitale.