Breathing in certain dusts, gases, fumes and vapours within the workplace can cause asthma. Flour dust and enzymes containing additives such as amylase are the second most common cause of occupational asthma.


Breathing in certain dusts, gases, fumes and vapours within the workplace can cause asthma. Flour dust and enzymes containing additives such as amylase are the second most common cause of occupational asthma.
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