The minimum and recommended specifications for the range of XR HMDs are actually not quite straightforward. To really understand it all, you have to think in two dimensions--on both X and Y axes, if you will. Weâre looking at what a range of PC hardware can support, but also what a range of HMD hardware demands.
Lean manufacturing or lean production, often simply  lean , is a systematic method for the elimination of waste ( Muda ) within a manufacturing system.ean principles are derived from the Japanese manufacturing industry. The term was first coined by John Krafcik in his 1988 article, Triumph of the Lean Production System, based on his master's thesis at the MIT Sloan School of Management.
Lean construction is a philosophy based on the. concepts of lean manufacturing. It is about managing. and improving the construction process to profitably. deliver what the customer needs. Because it is a philosophy, lean construction can be. pursued through a number of different approaches. This fact sheet outlines the elements of lean. manufacturing and suggests how these might be. adapted to deliver lean construction in practice. Lean manufacturing. Lean manufacturing was initially pioneered and.