What vessel is used to transport solids like plastics and grain by rail?

A. Tank car
B. Hopper car
C. Tank truck
D. Spherical car


A. Incorrect. A tank car is a type of railcar designed to transport liquids in bulk.
B. Correct. Hopper cars are railcars designed to transport solids like plastics and grain.
C. Incorrect. Tank trucks are special containers designed to transport fluids in bulk over roadways.
D. Incorrect. A spherical car is not a transport vessel.

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