A new system allows a combine harvester, say, to send a call over to a tractor-trailer so the driver can unload the grain as and when necessary.
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Related: trailer
Prev: When the trailer played before "Inside Man" last week at a Hollywood theater, audience members began calling out, "Too soon!" In New York City, the response was even more dramatic.
Next: Piggyback ride may also refer to a method of transportation in which truck trailers are carried on trains, or cars on specially designed trucks.
