A method for determining the effectiveness of the treatment of a fluid for the purpose of reducing or eliminating particles in the fluid. According to one embodiment, a method is provided for locking down a computer system. The apparatus further includes a reversible motor including a shaft, a first one-way clutch, a second one-way clutch, a nudger device, and a jogging device. The substantially linear olefin polymers preferably have at least about 0.