Setene se sa chesoang ke mofuta o mocha oa thepa ea lerako e entsoeng ka molora oa fly, cinder, gangue ea mashala, slag ea mohatla, slag ea lik'hemik'hale kapa lehlabathe la tlhaho, seretse se lebōpong la leoatle (e le 'ngoe kapa tse ling tsa lisebelisoa tse tala tse ka holimo) ntle le mocheso o phahameng oa calcination.

Ka tsoelo-pele e tsoelang pele ea ho aha litoropong, ho na le litšila tse ntseng li eketseha tsa kaho lilemong tsa morao tjena, tse tlisitseng mathata lefapheng la tsamaiso ea litoropo. 'Muso butle-butle o ile oa hlokomela bohlokoa ba ho phekola litšila tsa kaho; Ho ea ka pono e 'ngoe, litšila tsa kaho le tsona ke mofuta oa leruo. Ka mor'a mohala oa tlhahiso ea litene oa Leishi Chengxin, e ka fetoha thepa e ncha ea lerako ka nakoana mehleng ea kajeno, 'me e se e sebelisitsoe ka botlalo.

Fly ash ke eona e silafatsang tikoloho ka ho fetisisa. Chaena, tlhahiso e fihla ho lithane tse likete, 'me boholo ba tsona ha li sebelisoe, tse sa senyeng lisebelisoa feela, empa hape li baka tšilafalo e tebileng ea tikoloho. Ha e le hantle, fly ash hape ke setene se setle sa ho etsa thepa e tala. Ka mor'a mohala oa tlhahiso ea litene tsa Leishi Chengxin, e ka boela ea fetoha lisebelisoa tse ncha tsa lerako tse fokolang mehleng ea kajeno, tse seng li sebelisitsoe ka botlalo.

Hase feela litšila tsa kaho, molora oa lintsintsi, mehatla, ho qhibilihisa tšepe le litšila tse ling tse tiileng, mochini oa litene oa Lei Shi Chengxin o sa chesoang o ka fetola litšila hore e be letlotlo, 'me "lesea" le hlahisoang le boetse le sebetsa molemong oa ho boloka metsi, lebota, mobu, serapa le likarolo tse ling!