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| SECTION E– FIXED CONSTRUCTIONS |
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| BUILDING |
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| E 01 | CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES (of tunnels E 21 D) |
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| E 02 | HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING |
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| E 03 | WATER SUPPLY; SEWERAGE |
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| E 04 | BUILDING (layered materials, layered products in general B 32 B) |
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| E 05 | LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES |
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| E 06 | DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS |
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| EARTH DRILLING; MINING |
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| E 21 | EARTH DRILLING; MINING |
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