North Carolina Workers Compensation Class Codes
5348 Ceramic tile, indoor stone, marble, or mosaic work 5348 Floor laying–tile–ceramic 5348 Marble, mosaic, ceramic tile, or indoor stone work 5348 Marble tubs, sinks, counter installation 5348 Tile, stone (indoor), marble, or mosaic work 5402 Greenhouse erection–all operations 5402 Hothouse erection–all operations 5403 Carpentry NOC
Ceramic art - Wikipedia
Alternatively, tile can sometimes refer to similar units made from lightweight materials such as perlite, wood, and mineral wool, typically used for wall and ceiling applications. In another sense, a "tile" is a construction tile or similar object, such as rectangular counters used in playing games (see tile-based game).
Ruby - Wikipedia
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide).Other varieties of gem-quality corundum are called sapphires.Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond.
1987 Standard Industrial Classification (SIC) System
A 01 010 0100 Agricultural Production Crops Stonework, Tile Setting, and Plastering C 17 174 1741 Masonry, Stone Setting, and Other Stone Work D 20 202 2022