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In the case of the production of many metal products, some processing technologies are associated with outdated methods of processing. These methods often require consumption of energy and water, sometimes they cause environmental pollution. Non-durable products generate waste. Often surface changes of materials, such as corrosion, may also generate emissions of harmful substances into the atmosphere. The article describes the laser treatment, which is now a modern way to fulfil many technological operations. By t...

In manufacturing conditions marking of the parts is used many times. Marking is necessary for storage, transportation, in keeping records in plants or in the exploitation by the customers. In each situation mark given to part is necessary for identification, verification of the position correctness, etc. Marking is often carrying on by bonding the labels or painting. These methods, even though in common practice have some disadvantages: the label can be broken or destroyed and paintings can be scraped off. Sometim...