| A glass section in piping to enable visual monitoring of the condition of the fluid or its height; also called a Sight Gauge.
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| see Electric Sign.
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| A posted command, warning, or direction.
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| Any of a group of posted commands, warnings, or directions.
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| Any electrical circuit which supplies energy to an appliance which gives a recognizable signal; such circuits include circuits for door bells, buzzers, code-calling systems, and signal lights.
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| A sign.
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| A form of silica used extensively in making paste wood fillers; it is chemically inert and does not absorb moisture or shrink.
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| Hydrated silica in a hard granular form used as a desiccant; when heated, moisture is released and compound may be reused.
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| 1. A white fine sand composed of silica. 2. A mineral usually contained in the clay that is used for the making of bricks. 3. An inert pigment made from quartz rock, which is highly resistant to acids, alkalis, heat and light.
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| siO2, the common oxide of silicon usually found naturally as quartz or in complex combination with other elements as silicates; various polymorphs and natural occurrences of silica include cristobalite, tridymite, cryptocrystalline chert, flint, chalcedony, and hydrated opal.
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| see Water Glass, 3.
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| Those employing silicates as binders; used primarily in inorganic zinc rich coating.
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| Containing silicon or silicate.
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| An abrasive, shiny black; very hard and brittle crystals made by fusing silica sand and coke in electric furnace.
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| An abundant non-metallic element occurring in silica and silicates, used in the manufacture of glass, in alloys, and in electronic devices.
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| Electronic semiconductor which contains silicon.
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| A polymeric substance with high resistance to cold, heat, water, and passage of electricity; used in sealants, lubricants, varnishes, binders, and electric insulators.
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| Process of finishing where paint is forced through open meshes of a fabric screen; parts of the screen are blocked off and do not print, thus producing the design.
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| A surface defect characterized by parallel hair-like striations in coated films.
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| steel bolt placed in the foundation wall or slab to secure the wood sill.
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| An outdoor water faucet, usually at sill height, used as a hose connection; also called a Hose Bibb or Wall Hydrant.
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| see String Course.
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| The height of the window sills.
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| A sheet metal deflector installed at each end of a wood window or door sill to carry intruded water that has run down the jamb to the exterior.
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| Insulation placed between sill plate and supporting concrete or masonry to prevent air leaks.
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| 1. The lowest member of the frame of a structure, resting on the foundation and supporting the uprights of the frame. 2. The member forming the lower side of an opening, as a door sill or a window sill. 3. See Threshold, 3.
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| A settling hole or basin that prevents water-borne soil from entering a pond or drainage system.
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| 1. Sediment deposited by water in a water course. 2. A soil composed of particles less than 1/20 mm in diameter. 3. A heavy soil intermediate between clay and sand. 4. Particles so fine that they are scarcely visible to the naked eye, unless placed in a glass tube and examined before proper light.
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| Brazing process in which brazing alloy contains some silver as part of joining alloy.
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| Thin leaf made of silver, used mostly for lettering on glass; aluminum leaf is used where silver color is required on wood or metal surfaces as silver would tarnish.
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