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John Spensoroffline

  • John Spensor
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Max Polyakov is on a Mission to Restore Ukraine’s Aerospace Glory

Countries such as the US, France, China, UK, Germany, and Russia dominate the aerospace industry. Ukraine has struggled to compete with these countries due...

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Why do we need cleaning and disinfection of air ducts?

How actively dusting of ventilation systems occurs depends on their complexity and the type of object. The system becomes clogged the faster, the more...

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