Stand or Sit(Stationary position), Walk(Move, Traverse), Use hand/fingers to handle or feel (Operate, Activate, Use, Prepare, Inspect, Place, Detect, Position), Climb (stairs/ladders) or balance (Ascend/Descend, Work atop, Traverse), Stoop, kneel, crouch, or Crawl(Position self(to), Move), Talk/hear(Communicate, Detect, Converse with, Discern, Convey, Express oneself, Exchange information), See (Detect, Determine, Perceive, Identify, Recognize, Judge, Observe, Inspect, Estimate, Assess), Pushing or Pulling, Repetitive Motion, Reaching. Knowledge: Thorough knowledge of methods, materials, equipment and tools used in one skilled trade area; working knowledge of materials, methods, equipment and tools in related trade areas pertaining to facilities, systems, construction and renovation; thorough knowledge of generally accepted trade practices in trade specialty; working knowledge of computerized maintenance and building automation systems; working knowledge of applicable building and safety codes and regulations related to facilities, systems and renovations.