7
CONCRETE MIXERS THAT ARE ATTACHED TO TRUCKS
11
FURNACES; INCINERATORS
12
TRUCKS, NAMELY, LIGHT TRUCKS, TRUCKS FOR MINES; CONCRETE MIXING VEHICLES; TIPPING BODIES FOR TRUCKS
19
non-metal fireproof building materials, namely, cladding for combustion chambers, smoke flues, pipes and pipe walls; refractory tiles in plate form, not of metal; chimney cowls, not of metal; chimneys not of metal; chimney pots, not of metal; chimney shafts, not of metal; chimney flues, not of metal; shores for chimneys, not of metal; support braces for chimneys, not of metal; cladding for chimneys, not of metal; flashing for chimneys, not of metal; building materials, non-metallic, namely, non metal window frames, non-metal ceiling panels, non-metal door panels, non-metal roofing panels, non-metal wall panels, non-metal window and door casings, semi-worked wood, plastic pipe supports; building stone
37
INSTALLATION AND REPAIR OF FURNACES AND FURNACE COMBUSTION CHAMBERS, LINING AND COVERING OF COMBUSTION CHAMBERS; BUILDING CONSTRUCTION; REPAIR AND MAINTENANCE OF REFRACTORY STRUCTURES AND SMOKE FLUES
42
SURVEYING; TECHNICAL CALCULATION, NAMELY, CALIBRATION; TECHNICAL PLANNING;, NAMELY, LAND USE PLANNING SERVICES; TECHNICAL CONSULTANCY RELATED TO SCIENTIFIC AND TECHNOLOGICAL SERVICES IN THE FIELDS OF GEOLOGY, ENVIRONMENTAL PROTECTION, ENVIRONMENTAL CONSERVATION, CHIMNEY CONSTRUCTION, CHIMNEY REPAIR