Yugoslavia is a multinational community and it can survive only under the conditions of full equality for all nations that live in it.

Bamboo can be a fast growing plant, some types can grow almost a metre (3.28 feet) in just one day!

Bronze is a metal alloy made from copper and tin. Copper makes up the larger amount, usually between 80 to 95%.

Alkali metals such as sodium, potassium, rubidium, caesium and francium are extremely reactive elements, just putting them in water can result in an explosion! They are carefully stored in oil to prevent this happening.

Copper is a good conductor of electricity and is often used for making wires.