TOOTHPICKS TO LUMBER WAGONS S3 



and less noisy. Wood blocks for this purpose, being 

 generally treated with preservative, have a long life 

 and permit a correspondingly low cost of road 

 upkeep. A more recent development offers wood 

 blocks for factory and other inside floors where a 

 maximum of wear is demanded. Like street paving 

 blocks these are generally cut so as to offer the end 

 of the grain at the surface, thus avoiding chips and 

 splinters, and are grooved to permit the cementing 

 fluid to secure a better hold. Wood block floors are 

 becoming popular in plants where heavy car loads 

 of material are constantly pushed to and fro. 



Even sawdust plays an important part in our 

 daily life. It furnishes the chief fuel for most of 

 our sawmills, it is used for packing and storing ice, 

 for the protection of breakable articles during 

 transportation, for the covering and cleaning of 

 floors, and in the manufacture of linoleum. Fine 

 cedar sawdust is also utilized for polishing jewelry. 

 In spite of our great lumber industry, and the vast 

 quantities of sawdust produced and wasted, large 

 consignments have occasionally entered our eastern 

 ports from the Scandinavian countries. With 

 reasonable freight rates, sawdust can be shipped 

 across the ocean more cheaply than it can be 

 brought to the Atlantic Coast from our great mill- 

 ing centers in the west, or collected from hundreds 



