Worked monumental or building stone (except slate) and articles thereof     $2 
Worked slate and articles of slate or of agglomerated slate.$184      
Millstones, grindstones, grinding wheels and the like     $2 
Slag wool, rock wool and similar mineral wools      $200
Panels, boards, tiles, blocks and similar articles of vegetable fibre $355 $129   
Articles of plaster or of compositions based on plaster.     $9$299
Articles of cement, of concrete or of artificial stone$5,680$1,691$2,845$410$473  
Worked mica and articles of mica, including agglomerated$74  $2