More complex motor controllers may be used to accurately control the speed and torque of the connected motor (or motors) and may be part of closed loop control systems for precise positioning of a driven machine.
The street price for a gold bar is: 180-190 gp. The price in a specialty store is: 381 gp. If you buy from a general store, the price is 180 gp. If you sell to a general store, the price is 120 gp. In the Grand Exchange, the market price is 204 gp, 194 gp minimum, and 214 gp as the maximum price.
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