11 Chemical processing machines and equipment, namely, air separation machines, air filtering machines, and heat exchangers, all for the purpose of capturing carbon dioxide; reactors for the capture of and/or conversion of carbon dioxide; biological reactors for clarifying industrial effluents; air treatment machines and equipment; air handling installations; gas scrubbing and purification apparatus; air purifying apparatus and machines; industrial air purifiers; the aforementioned goods excluding goods based on, or including polyurethane and polycarbonate