BrightDrop electric delivery vans (above) as well as Chevrolet Silverado/GMC Sierra pickups from General Motors Co. feature North America’s first composite tension leaf springs (TLS) with progressive ...

Finish With a Test of the Garage Door Tension Spring. Remove the clamps and pliers from the torsion tube and track, and lift the door about 3 ft. by hand.

Garage door tension springs are tightly wound and can inflict serious injury if they snap or become unattached. These are best left in the hands of professionals. By contrast, ...

Add Tension To Trellis Wires With Repurposed Trampoline Springs Tension wire trellises are most often used in viticulture — ...

Spring-loaded automatic tensioners are the most common today, introduced in the mid-1980s. They use a coil spring to apply constant tension and usually self-correct for minor belt stretch over ...