Ipayipi lensimbi engenamthungo liyamelana nomoya, umusi, amanzi nokunye okubuthakathaka okulimazayo okuphakathi ne-asidi, i-alkali, usawoti kanye namanye amakhemikhali afaka ukugqwala okuphakathi kwepayipi lensimbi, lapho udonga lushubile, luyonga kakhulu futhi luyasebenza, kuya kuba mncane ukujiya kodonga. , izindleko zayo zokucubungula zizokhuphuka kakhulu.Ekugobeni, amandla e-torsional afanayo, isisindo esincane, ngakho-ke asetshenziswa kabanzi ekwenzeni izingxenye zemishini kanye nezakhiwo zobunjiniyela.