how hinithomaswork

[Boss]:alright, mini kawai sodor engine have apeared [Scientist 9]:so 9[Scientist 1 to 7]:SHHH LET HIM TALK [Boss]:and i need you to find iut how they work , the tender engine, small shunting deisels, big bois with more wheels. and small bunker engines [The 12 Scientists get in the car and drive]