Show trades that kill the latest compilations which have been made show that the air in cut lery factories is laden w th invisible metal dust and this bein carried in to the lungs causes and con the steel bending over their work inhale such huge quantities ot metal dusi that they rarely live beyond the ae of 40 all I 1 metal trades are very hazardous and phthisis or tubercular affections and respiratory diseases arc the penalties of these pursuits the rate of mor bality amongst brewers is 50 per cent greater than that among men ot ardi nary callings gout Is an enemy which makes itself sorely felt in this mccu pation bakers too are more than normally subject to premature death in the flour there s a very small mic robe which has Us effect on the teeth and attacks the drums ot the ears causing deafness |