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 construction (LC) is a method of production aimed at reducing costs, materials, time and effort. Essentially, the methodology is to minimize the bad and maximize the good.ean construction forces all parties to have a clear set of goals, benchmarks and objectives for the end process. Using the lean philosophy, the whole idea is to maximize the performance at every level for the customer.