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.
Quick Definition. Lean manufacturing is a comprehensive term referring to manufacturing methodologies based on maximizing value and minimizing waste in the manufacturing process. Lean manufacturing has evolved in North America from its beginnings in the Toyota Production System (TPS) in Japan.owever lean redefines waste. Traditionally waste has been viewed as an object. It is very easy to envision a barrel of scrap and identify it as waste. In lean manufacturing the term waste actually refers not to the physical material but rather the relationship of the resource to the end customer.