Inquiry (采购产品): denz-glass health info Hi, I worked with this materail yesterday with a mask for a construction company and last night had a sore thoat and felt very unconferble it seems better this morning , what damage can this do to my lungs and thoat if not wearing a mask. thanks for your advice. **** Hidden Message ***** Glenn Giaccio 33068 Company: Glenn Giaccio frameing inc. E-mail: wfo69gag@aol.com **** Hidden Message ***** wfo69gag@aol.com