MDA is a man-made (synthetic) recreational drug noted for its stimulant and psychedelic properties that has been used since the 1960s as a clubbing and sex-enhancing substance, with some similarities to LSD and MDMA (ecstasy). Sought after effects. 1  visual hallucinations.
A wheel alignment is done to make sure the vehicle's wheels are running parallel to each other, and that the tires meet the road at a correct angle, to fix or avoid problems such as irregular tire wear, poor handling (pulling to one side) or a crooked steering wheel.
Sometimes you may have the option of a two-wheel or four-wheel alignment. A four-wheel alignment is best, and the extra expense is worth it to keep your car, truck or van in top condition. Most mechanics recommend all vehicles get a four-wheel alignment.f your vehicle needs an alignment, you'll notice the following: 1  A steering wheel that shakes at certain speeds. 2  A constant need to correct your steering to keep the vehicle moving in a straight line. 3  Uneven wear on your tires.