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Werkstoff
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keywords:(Werkstoff)
Apparatus and methods used in testing road building stone
The use and abuse of fire brick for locomotive fire-boxes
The railways' interest in forest fire prevention
Some recent applications of concrete in railroad work
Marine borers from wood preserver's standpoint
Priority regulations for railway materials
Teredo destroys improperly treated piles
Visualising promises of material shipments
A new American aircraft material -- "Plymetl"
Steel structural parts for aircraft
Production and conveying of raw materials