Sefuthumatsi sa ho qoelisoa se futhumatsa metsi ka hare ho sona.Mona, ho na le ntho e futhumatsang e qoelisoang ka metsing, 'me motlakase o matla o feta ho oona o etsang hore o chese metsi ha a kopana le oona.
Mofuthu oa ho qoelisoa ke mocheso oa metsi oa motlakase o lutseng ka har'a silinda ea metsi a chesang.E sebetsa hanyane joalo ka ketlele, e sebelisa hitara e thibelang motlakase (e shebahalang joalo ka lupu ea tšepe kapa khoele) ho futhumatsa metsi a potolohileng.
Licheso tsa ho qoelisa tsa WNH li etselitsoe haholo-holo ho qoelisoa ka ho toba ka har'a maro a kang metsi, oli, solvents le process solutions, thepa e qhibilihisitsoeng hammoho le moea le likhase.Ka ho hlahisa mocheso oohle ka har'a mokelikeli kapa tšebetsong, lihitara tsena li baballa matla ka karolo ea 100 lekholong.Licheso tsena tse feto-fetohang le tsona li ka etsoa 'me tsa bōptjoa hore e be li-geometri tse fapaneng bakeng sa ho futhumatsa ka mahlaseli a khanyang le lisebelisoa tsa ho futhumatsa holim'a metsi.