Steam Locomotive

 haul = (of a vehicle) pull (an attached trailer or carriage) behind it

сonnecting rod = a rod  (https://t.me/espedition/230%20)connecting tw
o moving parts in a mechanism, especially that between the piston and the crankpin (or equivalent parts) in an engine or pump

piston = a disc or short cylinder fitting closely within a tube in which it moves up and down against a liquid or gas, used in an internal combustion engine (e.g. in cars) to derive motion, or in a pump to impart motion (=transmit)

crank = a mechanical component used in a piston engine to convert the reciprocating motion(=moving backwards and forwards in a straight line) into rotational motion

be laid = set down according to a plan, constructed