Countries involved in the Cuban missile crisis were Cuba, USA and USSR. Their leaders were Fidel Castro of the Cuban Communist government, President John F. Kennedy of the U â¦ SA, and Nikita Khrushchev of the USSR.
Copper. Copper occurs naturally occurring in soil and can also get into your drinking water from copper pipes. Copper enhances the corrosion of aluminum and zinc. Also, water with high copper content may have a bitter taste.
The Lead and Copper Rule , or LCR, is a United States federal regulation which limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well limiting the permissible amount of pipe corrosion occurring due to the water itself.lthough lead is a known poison, the mechanical and chemical characteristics of the metal continue to keep lead as an important component in many products. In water supply, lead's durability and workability selected it for use as water pipes. Lead alloys (bronze, brass) are used for plumbing fittings.