Welding is a fabrication process that joins materials, usually metals or thermoplastics , by using high heat to melt the parts together and allowing them to cool, causing fusion. Welding is distinct from lower temperature metal-joining techniques such as brazing and soldering , which do not melt the base metal. In addition to melting the base metal, a filler material is typically added to the joint to form a pool of molten material the weld pool that cools to form a joint that, based on weld configuration butt, full penetration, fillet, etc. Pressure may also be used in conjunction with heat or by itself to produce a weld. Welding also requires a form of shield to protect the filler metals or melted metals from being contaminated or oxidized.
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No matter what subject you are writing an essay on, it is important for it to be well-developed so you can convey thoughts to the reader in a coherent way. Every well-written essay contains three vital pieces: introduction, thesis and conclusion. With these three pieces, you will create a suitable essay with developed thoughts and examples. Start out your essay with an introduction on what your essay will be about.
In composition , development also known as elaboration is the process of adding informative and illustrative details to support the main idea in a paragraph or essay. Paragraphs and essays can be developed in many different ways. In conventional composition courses, the following patterns of exposition are often presented as the standard methods of development in expository writing :. Share Flipboard Email. Richard Nordquist.
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