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Explosion Effects on Mine Ventilation Stoppings: Weiss, Eric S., Cashdollar, Kenneth L., Harteis P.E., Samuel P., Shemon, Gary J., Beiter, Dennis A., Urosek, John E., Centers for Disease Control and Prevention, Department
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210121-N-XR893-0012 PORTSMOUTH, Va. (Jan. 21, 2021) Norfolk Naval Shipyard Shop 99 contractors, Samuel Hall, right, from Portsmouth, Virginia, and Keschaun Jeffers, from Virginia Beach, Virginia, detach an air-flow tube from a temporary
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Young inventors Daniel Furka, Dalibor Gallik and Samuel Furka present a prototype of a simple lung ventilator called Q-Vent, for infected patients facing the coronavirus disease (COVID-19), which was created at Comenius University in Bratislava, Slovakia ...
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Bavarian suit of jousting armour 1600. With mentoniere helmet with perforated door for ventilation, shoulder shield for tilting, pauldron, elbow plates, wide cuisses to accommodate the stuffed breeches of the period. In
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Young inventors Samuel Furka, Daniel Furka and Dalibor Gallik present a prototype of a simple lung ventilator called Q-Vent, for infected patients facing the coronavirus disease (COVID-19), which was created at Comenius
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