Njengojantshi wesitimela esinesivinini esikhulu, izindiza, amarobhothi, amancane njengomakhalekhukhwini, amakhamera, amakhompyutha, imishini yezokwelapha, izikulufu zibalulekile.Ngaphezu kwale mikhiqizo zidinga ngezikulufo, ngisho ezinye iziguli zidinga ngezikulufo ezikhethekile ezifakwe emzimbeni ukuze zokwelapha izimo ezithile.Izinto zokubopha ezimelelwe ngezikulufu azizona nje izinto ezincane ezingafinyeleleka ekuphileni kwabantu, zichazwa nangokuthi “ithuluzi elingcono kakhulu lenkulungwane yesibili kusukela enkathini yomuntu.”

Njengethuluzi elibalulekile, uma kunenkinga ngokuhlinzekwa kwezinsimbi, ngokungangabazeki kuzoba nomthelela omkhulu emabhizinisini angezansi.Njengamanje, isimo sobhubhane sisesigabeni sokubhekana nayo, futhi isidingo sezinhlobo ezahlukene zemishini emelwe imishini yezokwelapha nemishini ehlobene nemaski sikhulu.Isibonelo, inkampani yase-Ningbo ithole i-oda lesethi yokususa humidifier ejikelezayo eyenziwe ngendlela oyifisayo umkhiqizi wempahla eluhlaza imaski yokusebenzela yokucubungula i-electret engalukiwe e-Dalian.Izikulufu zokuzithepha kanye nezinye izinsimbi.