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Show I Trades That Kill. I Tho latest compilations which ho been made show that Ihe air In wit-lery wit-lery factories Is laden with Invisible i molalilust nnd thla, being carried In to tho lungs eatisea asthma and con tumptlon The steed grinders bending over their work Inhiln such hugu quantities of metal dust that they rarely llo boond tho nko nf 0 All motal trndoa are wry hniardoiis and phthisis or tubercular affi-otloim and respiratory dlseatos are tho penalties of these pursuits Tho rate of mor tallty amongst brew ore la B0 per cent greater than that among men of ordt nary callings "out la an enemy which makes Itself sonly fe'lt In this occj nation linkers, Iiki are more than normnlly subject tn premature death In tho flour there Is a ory small mlc robo, which his Its effect on the teeth, and" attacks the drums of the cars, causing deafness |