3D microscopes contain zooming lens like camera's but some camera's do not have a 3D lens. Both of them record information that can later be analyzed visually. <span />
The informal sector lacks land, capital, and technology, and can be less productive than formal enterprises, however, it can improve individual earnings and add money into the economy. It is the access to the market and power to purchase that can assist the productivity of the informal worker. If products can be sold on a cheaper mass scale to informal workers to use as a resource, this could help improve this sector to be more meaningful.
The scale gives the ratio that compares the measurements of the drawing or model to the measurements of the real object. Scale factor is a scale written as a ratio without units in simplest from.
