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.
Very old cold water systems used lead pipes to run water around homes; this is still in place in a lot of. properties in the UK. Lead pipes are also very commonly used between the water company stop tap. and the mains stop tap in your home.opper and plastic pipes Pipes for cold water systems can be produced in either copper or plastic, and come in many sizes from 8mm to 35mm in diameter. The most common sizes for cold water pipes are 15mm and 22mm.