Complex sentence: The crushed coal then fell by gravity into a chute, which led to a receiving bin which was fitted below the back buffer beam of the locomotive, from where it was picked up by a bucket elevator which worked in a large pipe.
Split into simpler sentences: The crushed coal then fell by gravity into a chute which led to a receiving bin, fitted below the back buffer beam of the locomotive. From here it was picked up by a bucket elevator which worked in a large pipe.