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2. U-30 tow tractor - Wikipedia

   en.wikipedia.org/wiki/U-30_Tow_Tractor

   The U-30 tow tractor is an aircraft towing vehicle used by the United States and Allied Air Force. There are several models of the U-30 tractor, with weight characteristics from 70,000–120,000 lb (32,000–54,000 kg). The first generation was designed and delivered in 1968 to the Air Force by the Oshkosh Truck Corporation.

3. Energy tower (downdraft) - Wikipedia

   en.wikipedia.org/wiki/Energy_tower_(downdraft)

   An energy tower (also known as a downdraft energy tower, because the air flows down the tower) is a tall (1,000 meters) and wide (400 meters) hollow cylinder with a water spray system at the top. Pumps lift the water to the top of the tower and then spray the water inside the tower. Evaporation of water cools the hot, dry air hovering at the top.

4. Rear-inflow jet - Wikipedia

   en.wikipedia.org/wiki/Rear-inflow_jet

   The rear-inflow jet is a component of bow echoes in a mesoscale convective system that aids in creating a stronger cold pool and downdraft. The jet forms as a response to a convective circulation having upshear tilt and horizontal pressure gradients. The cold pool that comes from the outflow of a storm forms an area of high pressure at the surface.

5. Man-portable anti-tank systems - Wikipedia

   en.wikipedia.org/wiki/Man-portable_anti-tank_systems

   Man-portable anti-tank systems (MANPATS or MPATS) are traditionally portable shoulder-launched projectile systems firing heavy shell-type projectiles (although throwing and lunge weapons have existed), typically designed to combat protected targets, such as armoured vehicles, field fortifications and at times even low-flying aircraft (especially helicopters).

6. Downdraft table - Wikipedia

   en.wikipedia.org/wiki/Downdraft_table

   Downdraft tables or downdraught benches are workbenches with built-in ventilation to capture dust, smoke, and fumes and draw them away from the operator and the material being worked on. [1] They typically consist of a perforated surface whose underside is connected to a ventilation or dust collection system, to draw material through the holes ...

7. Solar updraft tower - Wikipedia

   en.wikipedia.org/wiki/Solar_updraft_tower

   The results showed a maximum of 3 MW power output from the HCTSC system which resulted in 0.37% increase in the thermal efficiency of a typical 250 MW fossil fuel power plant, with a chimney diameter of only 50 metres (160 ft). The new hybrid design made the solar updraft tower feasible again, and proved it to be economical in saving much ...