Possible Clues:

• Plaster for ornamental moulding
• Housing finish, perhaps
• Plaster or cement used to make architectural mouldings
• Finish with uppercuts to the firm
• Hides left out to be put back as wall-covering
• Commander chops up material for covering wall
• White plaster covering for exterior walls
• Plaster for minor injuries standing firm
• Virtually immobile company which will go to the wall?
• Not quite glued on firm plaster