For other uses, see Tile (disambiguation). A tile is a manufactured piece of hard-wearing material such as ceramic, stone, metal, or even glass, generally used for covering roofs, floors, walls, showers, or other objects such as tabletops.
Model of the lean production system. Lean manufacturing or lean production, often simply lean, is a systematic method for the elimination of waste (Muda) within a manufacturing system. Lean also takes into account waste created through overburden (Muri) and waste created through unevenness in work loads (Mura).
For Ph.d: What are the best universities to study operation management if I am interested in lean manufacturing? Do you think lean or 6sigma can be used in any area, not only in manufacture? What is lean manufacturing in simple term?