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.
The definition of critical infrastructure means the resources and structures which are necessary for a well-working society and economy. 1  An example of a critical infrastructure of the United States is the flow of money in an economy.