this is easy :) steam
Steam Boats.
steam boats and steam trains use coal power
A clipper ship is a sail boat that is very fast and is moved by winds. Steam boats are mechanical boats that run a motor with steam power.
The negative effect of a steam boat is that it causes a fire and can explode due to steam pressure.
steam engine you idot that why there call steam boats
they are outdated and not used anymore
60
It stands for steam ship.
Not by a long way there were plenty of bigger boats running on steam.
Robert Fulton made them.
SS - Steamship