Four Types of Ceiling Tiles. There are four broad types of ceiling tiles - acoustical, plastic, tin and cork. Within those categories there is a further break down of tiles by design, installation and use. Acoustical ceiling tiles are used to help soundproof a room.
Lean manufacturing is a process improvement methodology based upon the highly acclaimed Toyota Production System (TPS). The main focus in lean manufacturing is the removal of waste from a value stream. Waste in this instance is defined as anything that consumes resource but does not add value for the customer.
Lean Six Sigma. Lean Six Sigma is a methodology that relies on a collaborative team effort to improve performance by systematically removing waste [1] and reducing variation. It combines lean manufacturing/lean enterprise and Six Sigma to eliminate the eight kinds of waste (muda): 1  Transporting. 2  Inventory. 3  Motion. 4  Waiting. 5  Over-Processing. 6  Over-Production. 7  Defects. 8  Under Utilization of employees.