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2. Pullback motor - Wikipedia

   en.wikipedia.org/wiki/Pullback_motor

   A pullback motor (also pull back, pull back and go or pull-back) is a simple clockwork motor used in toy cars. A patent for them was granted to Bertrand 'Fred' Francis in 1952 as a keyless clockwork motor. Pulling the car backward (hence the name) winds up an internal spiral spring; a flat spiral rather than a helical coil spring. When released ...

3. Pull-rod suspension - Wikipedia

   en.wikipedia.org/wiki/Pull-rod_suspension

   In cars, suspension refers to the system by which the vehicle maintains contact between all of its wheels and the ground. This is commonly achieved via use of dampers and springs, providing downward forces on the wheels to counteract impact shocks. However, in push-rod suspension systems, this strut is mounted across the chassis, parallel to ...

4. List of fastback automobiles - Wikipedia

   en.wikipedia.org/wiki/List_of_fastback_automobiles

   This list of fastback automobiles includes examples of a car body style whose roofline slopes continuously down at the back. It is a form of back for an automobile body consisting of a single convex curve from the top to the rear bumper. This automotive design element "relates to an interest in streamlining and aerodynamics".

5. 12 Ways to Reduce Lower Back Pain When Driving - Healthline

   www.healthline.com/health/back-pain/lower-back...

   1. Use a lumber support cushion. Lumbar support cushions or pillows can be used to alleviate back pain while you’re driving. Lumbar support cushions provide support for your lower back, or ...

6. Pulled Muscle in Lower Back: Symptoms, Causes, and Treatment

   www.healthline.com/.../pulled-muscle-in-lower-back

   A pulled muscle occurs when you tear or overstretch some of the muscle fibers. This can happen if you overwork the muscle or twist it too hard. You will probably notice pain and swelling, and the ...

7. Muscle Strains: Symptoms, Causes, and Prevention - Healthline

   www.healthline.com/health/strains

   bruising or discoloration. swelling. a “knotted-up” feeling. muscle spasms. stiffness. weakness. In a mild strain, a torn muscle may feel slightly stiff, but still flexible enough for use. A ...