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2. Enamel sign - Wikipedia

   en.wikipedia.org/wiki/Enamel_sign

   An enamel sign is a sign made using vitreous enamel. These were commonly used for advertising and street signage in the period 1880 to 1950. Benjamin Baugh created the first purpose-built factory for making such signs in Selly Oak in 1889 — the Patent Enamel Company. [1] The technique of porcelain enamelling on cast iron was developed in ...

3. Metallurgy - Wikipedia

   en.wikipedia.org/wiki/Metallurgy

   Casting, the process of pouring molten metal into a mold. Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys . Metallurgy encompasses both the science and the technology of metals ...

4. Metalworking - Wikipedia

   en.wikipedia.org/wiki/Metalworking

   Metalworking. Turning a bar of metal on a lathe. Metalworking is the process of shaping and reshaping metals in order to create useful objects, parts, assemblies, and large scale structures. As a term, it covers a wide and diverse range of processes, skills, and tools for producing objects on every scale: from huge ships, buildings, and bridges ...

5. Repoussé and chasing - Wikipedia

   en.wikipedia.org/wiki/Repoussé_and_chasing

   Repoussé ( French: [ʁəpuse] ⓘ) or repoussage ( [ʁəpusaʒ] ⓘ) is a metalworking technique in which a malleable metal is shaped by hammering from the reverse side to create a design in low relief. Chasing (French: ciselure) or embossing is a similar technique in which the piece is hammered on the front side, sinking the metal.

6. Metal casting - Wikipedia

   en.wikipedia.org/wiki/Metal_casting

   Metal casting. In metalworking and jewelry making, casting is a process in which a liquid metal is delivered into a mold (usually by a crucible) that contains a negative impression (i.e., a three-dimensional negative image) of the intended shape. The metal is poured into the mold through a hollow channel called a sprue.

7. Metal fabrication - Wikipedia

   en.wikipedia.org/wiki/Metal_fabrication

   Metal fabrication is the creation of metal structures by cutting, bending and assembling processes. It is a value-added [1] process involving the creation of machines, parts, and structures from various raw materials. Typically, a fabrication shop bids on a job, usually based on engineering drawings, and if awarded the contract, builds the product.