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.
All pipe used for the installation, extension, alteration. and/or repair of any house gas piping shall be standard weight. wrought iron or steel pipe, or brass or copper pipe of iron pipe. size, and such pipe shall either be new or shall previously have. been used for no other purpose than for the conveying of gas.