Sentences with phrase «commercial air purifiers»
Commercial air purifiers aim for removing the small particles that are present in soot, smoke or car exhaust because these damaging particles are inhaled directly into the lungs.
https://www.sciencedaily.com/ Not exact matches
Under what the bureau calls the «safe and tasty water project,» the waterworks bureau aired a 15 - second commercial message on trains and large TV screens on streets in fiscal 2008 to promote the sale of highly purified «Tokyo - sui» (Tokyo water) in PET bottles.