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2. Structural steel - Wikipedia

   en.wikipedia.org/wiki/Structural_steel

   Structural steel. Structural steel is a category of steel used for making construction materials in a variety of shapes. Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section. Structural steel shapes, sizes, chemical composition, mechanical properties such as strengths, storage practices ...

3. Metal furniture - Wikipedia

   en.wikipedia.org/wiki/Metal_furniture

   Metal furniture is furniture made with metal parts: iron, carbon steel, aluminium, brass and stainless steel. Iron and steel products are extensively used in many application, ranging from office furnishings to outdoor settings. Cast iron is used mainly for outdoor finishings and settings, such as those used for bench legs and solid iron tables.

4. Steel - Wikipedia

   en.wikipedia.org/wiki/Steel

   Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Because of its high tensile strength and low cost, steel is one of the most commonly manufactured materials in the world. Steel is used in buildings, as concrete reinforcing rods, in bridges, infrastructure, tools, ships, trains ...

5. Alloy steel - Wikipedia

   en.wikipedia.org/wiki/Alloy_steel

   The properties of steel depend on its microstructure: the arrangement of different phases, some harder, some with greater ductility. At the atomic level, the four phases of auto steel include martensite (the hardest yet most brittle), bainite (less hard), ferrite (more ductile), and austenite (the most ductile). The phases are arranged by ...

6. Optical table - Wikipedia

   en.wikipedia.org/wiki/Optical_table

   A laser system on an optical table. An optical table is a vibration control platform that is used to support systems used for laser - and optics -related experiments in science, engineering and manufacturing. The surfaces of these tables are designed to be very rigid with minimum deflection so that the alignment of optical elements remains ...

7. Furniture - Wikipedia

   en.wikipedia.org/wiki/Furniture

   Furniture refers to objects intended to support various human activities such as seating (e.g., stools, chairs, and sofas), eating (tables), storing items, working, and sleeping (e.g., beds and hammocks). Furniture is also used to hold objects at a convenient height for work (as horizontal surfaces above the ground, such as tables and desks ...