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.
â¢ Pipe Fittings Materials. Pipe fittings should always be made of the same material as the pipes being connected. Pipes are manufactured from a variety of materials such as copper, aluminum, steel and iron. Some types of pipes are better suited to certain applications than others.