The HAL3000 is a revolutionary product that cuts into the intended area without going beyond when operated correctly. With the HAL3000, the cutting is guided by the oscillating movement. The blade does not cut into the soft material that is guiding it, but instead cuts into the hard material based on the amplitude of the oscillation. With this key function and distinction the skin is not harmed when the layer of plaster is cut away. Both the AS20 vacuum cleaner and the Hal3000 plaster saw work together to get an excellent end result. The AS20 is placed in a trolley along with any accessory that is necessary to guide the system. The AS20 and HAL3000and work together automatically, and the AS20 is automatically turned off once the saw is off.