Ti conveyor belts ta PTFE (Teflon belts) ti antswisa milayeni yo lulamisa swakudya hiku tirhisa mune wa swipfuno swa nkoka: matirhelo yale henhla ya non-stick (ku hunguta thyaka naku namarhela), ku tiyisela mahiselo yo anama (-100°C kuya eka 260°C swiendla leswaku ku bakiwa kuya eka freezing), ku basisiwa hiku olova xikan’we naku lwisana na ti bacteria (non-porous surface, FDA compliant), xikan’we naku hlayisa ntirho (ku tirhisiwa ka eneji yale hansi, vutomi byo leha bya belt). Yi faneleka eka swilo leswi bakiweke, swakudya leswi titimelaka, chokoleti ni swilo leswi namarhelaka.