1 It is used as a fungicide and as a color pigment. 2  In chemistry, it is also used as a reagent. 3  It's easy to synthesize your own copper aâ¦. 4  Kitchen Chemistry: The Advantage of Copper Bowls There are two kinds of bowls and cooking pans you can use in the kitchen: non-reactive and reactive.
The infrastructure is the basic foundation or underlying framework of an organization or system. In your house, the infrastructure is the system of beams, weight-bearing walls and the foundation that keeps it standing. Infrastructure often refers to the equipment and structures required by the military or by a country or region. Roads, bridges, and school buildings are part of our nation's infrastructure, and are necessary for the continued growth of our communities. This word was formed as a compound in English, using the prefix infra-below, underneath.
An economic system is the combination of the various agencies and entities that provide the economic structure that defines the social community. These agencies are joined by lines of trade and exchange goods. Many different objectives may be seen as desirable for an economy, like efficiency, growth, liberty, and equality.