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.
How much gravel can a dump truck hold? depends on the size of the dump truck The size of the dump box (example if it can hold 10 cubic yards) and the legal loading limit for the roads / area and number of axles thâ¦e truck has will determine the load it can carry.