Subjects: *CONSTRUCTION equipment; CONTESTSUNITED States
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Subjects: *CONSTRUCTION equipment
Subjects: *CONSTRUCTION equipment; CORROSION prevention
Subjects: *CERAMICS; *CONCRETE; *CONSTRUCTION materialsARGONNE National Laboratory
Subjects: EARTHMOVING machinery; MECHANICAL engineering; TRACTORSVERMONTLETOURNEAU, R. G.
Subjects: GLOBAL Positioning System; ARTIFICIAL satellites; ARTIFICIAL satellites in navigation