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.
Increasingly popular, Lean Six Sigma first emphasizes the use of Lean methodologies and tools to identify and remove waste and increase process velocity, then follows that with the use of Six Sigma methodologies and tools to identify and reduce or remove process variation.