The welding shop is considered as one of the most unfavorable places for human working activities. A huge amount of harmfulness is emitted during the technological process. Welding works provoke ...

The student will demonstrate a basic understanding of the principles of ventilation, the safety precautions to be taken when ventilating a structure and how to use the various types of ventilation ...

A device designed at the University of Pittsburgh could help improve outcomes as a treatment for COVID-19 when used in conjunction with non-invasive or mechanical ventilation, and it recently received ...