Category: Quick Facts
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Explanation of a welding symbol
Here is an explanation of a welding symbols as per AWS A2.4, a welding standard by American Welding Society.
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Tank Implosion due to Steam Condensation
This tank imploded due to condensation of steam used during steam cleaning. Condensation creates large vacuum inside tank. External pressure of atmosphere of 14.7 PSI crushed this tank in a fraction of a second.