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In metallurgy, cold forming or cold working is any metalworking process in which metal is shaped below its recrystallization temperature, usually at the ambient temperature.. Such processes are contrasted with hot working techniques like hot rolling, forging, welding, etc. [1]: p.375 The same or similar terms are used in glassmaking for the equivalents; for example cut glass is made by "cold ...
Features of Romanesque architecture that is seen in different areas around Europe. [] Small churches are generally without aisles, with a projecting apse. Large churches are basilical with a nave flanked by aisles and divided by an arcade. [ 2 ] Abbey churches and cathedrals often had transepts.
Early Christian art and architecture. Early Christian art and architecture (or Paleochristian art) is the art produced by Christians, or under Christian patronage, from the earliest period of Christianity to, depending on the definition, sometime between 260 and 525. In practice, identifiably Christian art only survives from the 2nd century ...
The Lutheran churches, as they developed, accepted a limited role for larger works of art in churches, [1] [2] and also encouraged prints and book illustrations. Calvinists remained steadfastly opposed to art in churches, and suspicious of small printed images of religious subjects, though generally fully accepting secular images in their homes.
An icon (from Ancient Greek εἰκών (eikṓn) 'image, resemblance') is a religious work of art, most commonly a painting, in the cultures of the Eastern Orthodox, Oriental Orthodox, and Catholic churches. The most common subjects include Jesus, Mary, saints, and angels. Although especially associated with portrait-style images concentrating ...
Drawing is a manufacturing process that uses tensile forces to elongate metal, glass, or plastic. As the material is drawn (pulled), it stretches and becomes thinner, achieving a desired shape and thickness. Drawing is classified into two types: sheet metal drawing and wire, bar, and tube drawing. Sheet metal drawing is defined as a plastic ...
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Work hardening, also known as strain hardening, is the process by which a material's load-bearing capacity (strength) increases during plastic (permanent) deformation. This characteristic is what sets ductile materials apart from brittle materials. [1] Work hardening may be desirable, undesirable, or inconsequential, depending on the application.