Methods of genomic screening to identify epigenetically silenced genes, including epigenetically silenced tumor suppressor genes are provided. An information sharing system is described that allows both an explicit capture process and an implicit capture process to add information items to a staging area. The system also includes a hopper mounted on the frame near the lift and in communication with a material feeder, a first grinder in communication with the material feeder, a first conveyor positioned to receive medical waste from the first grinder, and a second grinder in communication with the first conveyor. The DMD is provided within the head so that the direction of arrangement of the irradiation regions is tilted relative to the main scanning direction, and a center-to-center distance along the sub-scanning direction between two adjacent irradiation regions arranged in the main scanning direction is made equal to a pitch of writing cells on the substrate with respect to the sub-scanning direction. Therefore, a gas-extraction path composed of the reaction chamber, the ring body and the top ring part is unobstructed. The passive load force control provides a predictor of the hitch load force to eliminate overshootundershoot of hitch motion.