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Horses need to lie down occasionally, and prefer soft ground for a nap.
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ...
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
Superficial friction with palms along back. Hands are perpendicular to the spine; apply friction ...