The general concepts found in this section are: 1  The earth's atmosphere is a very thin layer wrapped around a very large planet. 2  Two gases make up the bulk of the earth's atmosphere: nitrogen (), which comprises 78% of the atmosphere, and oxygen (), which accounts for 21%.
Lean startup is an approach to business development that is based on the principles of lean production, a manufacturing methodology that values a business' ability to change quickly. Download 9 FREE Strategic Planning Templates that your Peers Already Use.
Lean is a term used to describe a continuous commitment to improve a manufacturing or business process by preserving value with less effort. Lean Manufacturing is the most familiar name given to Lean Methodology. Lean is also referenced as: Lean Product Development, Lean Operations or Lean Enterprise.The constant in any Lean activity is the discovery of, and removal of waste.ean Product Development (Lean PD) is a term describing the removal of wasteful steps that may exist within the PD process. Success of Lean PD is translated into two measures: 1  Speed to Market. 2  Improved Reliability.