The planet is filled with dust and particles of all kinds, natural or originated by man. Such a state of things has of course a great many consequences for public health, with diseases like silicosis, inherent in various human activities, ...See moreThe planet is filled with dust and particles of all kinds, natural or originated by man. Such a state of things has of course a great many consequences for public health, with diseases like silicosis, inherent in various human activities, some of which are detailed (farming, notably the treatment of flax; industrial activity, particularly porcelain and cement work, coal mining). Written by
Daniel Collin
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