anchor.diff:  Flakes - Lead;78.04
   Flakes - Magnesium;84.04
   Flakes - Nickel;75.04
  -Flakes - Tin;80.05
  +Flakes - Tin;80.07
   Flakes Zinc;79.03
   Flame Alarms;85.31 Or 85.36 Or 90.27
   Flame Detectors;85.31 Or 85.36 Or 90.27
  
positive.code: Sheets, Metal - Lead;78.04
  Sheets, Metal - Magnesium;81.04
  Sheets, Metal - Nickel;75.06
  Sheets, Metal - Tin;80.04
  Sheets, Metal - Zinc;79.05
  Sheets, Plastics;39.18 or 39.19 or 39.20 or 39.21
  Sheets of Rubber;40.05 or 40.08 or 40.17
  
negative.code: Powders - Magnesium;81.04
  Powders - Nickel;75.04
  Powders - Scouring;34.05
  Powders - Tin;08.07
  Powders - Zinc;79.03
  Power ~Measuring Instruments;90.30
  Power Supplies - For Computers;85.04
  