Jaw Crushers..... 17 Single Roll Crushers ... capture sulfur in a fluid bed boiler. Tailings — Refuse or residue material from a screening process. Top Size — The largest particle size in an input or output size. Tramp Iron — Bolts, shovel teeth, picks and other uncrushable metal that is often present in crusher output. – page 4 – Handbook of Crushing The brands comprising ...