| PRODUCTS AND SERVICES |
| Brick Factors or Merchants or Agents |
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Bricks, Facing |
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Bricks, General or Building |
| Builders' Merchants |
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Cements |
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Concrete Admixtures |
| Concrete Blocks |
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Drainage Channels |
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Garage Doors |
| Paving Slabs or Bricks or Blocks |
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Roof Insulation |
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Roof Lights or Windows |
| Roof Tiles, Clay |
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Roof Trusses, Lumber |
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