Ikinyugunyugu cyuzuye cyuzuye, hamwe nibikorwa byiza byo kurwanya ruswa, duhereye ku miterere, hariho igice cya kabiri n'ubwoko bumwe ku isoko, ubusanzwe bikubiyemo ibikoresho PTFE, na PFA, bishobora gukoreshwa mubitangazamakuru byangirika, hamwe kuramba.