AAM      Anhydrous Ammonia
ACD      Acid
CEM      Cement Discharge
CRO      Cross Link Polyethylene (Chemical-Solvent)
FDA      FDA Tube (Food Grade)
GAL      Galvanized Steel (Hot Asphalt and Tar)
HOT      Hot Air Blower
LIQ      Liquid Propane Gas
NIR      Nitrile Tube (Petroleum)
NIT      Nitrile Tube (Hot Asphalt and Tar)
PUR      Pure Gum Tube (Food Grade, Dry Bulk)
SST      Stainless Steel
TEF      Teflon (Fluorocarbon)
VIT      Viton (Fluoroelastomer)