utes, at a temperature of not less in the construction of this plant is the central tower, must be self-contained and operated with at least as than 310 degrees. which is constructed of comparatively light weight few hands as the ordinary stationary plant. It must Upon the melting oar are… … per day, and that, by the side of the car, the modification of up and into the re- PORTABLE ASPHALT PLANT IN OPERATION. certain elements of ceiving end of the sand heater. The construction and novel features of centrally between the two cars, which are placed the plant, its capacity may be readily…
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