John F. Kennedy was the US president during the Cuban Missile crisis General Secretary of the USSR was Nikita Krushchev and Fidel Castro was the Cuban ruler involved in this â¦ crisis.
What is the metal used for most electrical wiring and water pipes? Copper is the most common metal used in electrical wires because it has a structure which includes freely-moving negatively-charged particles-called electrons-which are es â¦ sential for the conduction of electricity.
PolyPipeÂ® is extremely rigid, and is rarely used for other purposes. Copper is the most common type of plumbing pipe used in the home, although it is more expensive than plastic piping. Copper is especially resistant to corrosion, and can withstand high temperatures.