Tag: source capture of fumes

Occupational asthma [spasms and muscle constriction of the lung’s air passages] is caused by, or worsened by, inhaling substances on the job, such as chemical fumes, gases, or dust. It causes tightness of the chest, wheezing and shortness of breath. When other diagnostic tests are indefinite Doctors may use spirometry, the measurement of breathing capacity… Read more »