I-Aramid fibre, i-carbon fibre, i-fiberglass, njll. njengento yohlaka lwamathambo, ukusebenzisana okukhethekile okunamathelayo okumelana nowoyela, engeza izithasiselo zamakhemikhali ezihambisanayo, izigcwalisi, ukusetshenziswa kwesistimu yezomthetho ye-roller pressure.