Petroleum is used in manufacturing a wide variety of materials, and it is estimated that the world consumes about 90 million barrels each day. Concern over the depletion of the earth's finite reserves of oil, and the effect this would have on a society dependent on it, is a concept known as peak oil.
The National flag of St. Kitts & Nevis features green for our fertile lands, yellow for our year-round sunshine, black for our African heritage, and red for our struggle from slavery through colonialism to independence. It also displays two white stars on a black diagonal bar, symbols of hope and liberty.
The Yellow Colour of the Tanzania Flag. The yellow colour on the Tanzanian flag represents the natural mineral deposits found on the land of Tanzania. It symbolises the huge and rich minerals deposits that Tanzania has.he Blue Colour of the Tanzania Flag. The blue colour on the flag of Tanzania represents the many water bodies found in Tanzania, it represents the lakes, rivers and the Indian Ocean. Blue encourages the people of Tanzania to make proper use of the water bodies across the land.