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.
There are five different types of plastic pipe joints a plumber can use. Pipes can be joined together by threading, just like nuts and bolts. A brass pipe fitting. A special solvent cement is used to connect PVC pipes. The material a pipe is made from determines the different types of joints available. Copper pipes with a tee joint.