Stamping roof skins
1952
Bahco bag xs650
Pratt & Whitney R-2800 Double Wasp cutaway from the Military Aviation Museum in Virginia Beach, VA
Door in Abandoned Factory | unknown credit
(via Pinterest • The world’s catalog of ideas)
(via P-748622.png (506×340))
Blade of a wind turbine positioned for installation [1280×960]
Source: https://openpics.aerobatic.io/
___________
simple past
Combustion chamber of a liquid-propellant rocket engine [675×1013]
Source: https://openpics.aerobatic.io/