The book Trade Foundations Based On Producing Industries was written by author Edward Trevert Here you can read free online of Trade Foundations Based On Producing Industries book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Trade Foundations Based On Producing Industries a good or bad book?
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Fig. 138. Covering: machines and trimmers. Sec. 1 OCCUPATIONS 149 Probably next in importance come the rulers, then the finishers and forwarders. As the work depends upon so many conditions, there is considerable unemployment. There is little apprentice work in the bindery as most promotions come with increased experience without following any definite line of training. CLAY, GLASS, AND STONE WORKING 127. Brick and Tile Making. By the aid of machinery, brick makers produce about 1, 000 brick fo...r each eight hours of labor. The pro- duction of this 1, 000 brick requires the consumption of about a ton of coal. The fuel used is worth more than the clay. There are yards which make over a million brick per day. Brick are made of clay which is used in its natural state with no other ingredients, except water, added to it. Clay known as shale is largely used. In the largest works, the clay is scooped into cars by means of steam shovels. It is first taken to a grinding machine called a "dry- pan.
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