From paragraph 2 we deduce that
A) it was an easy operation to reverse direction.
B) operating a tug was like playing with toys.
C) the tug engine ...
From paragraph 2 we deduce that A) it was an easy operation to reverse direction. B) operating a tug was like playing with toys. C) the tug engine was mechanically fed with coal. D) tugs ran the risk of drifting when reversing direction. E) shifting directions was a risky move.
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