1. OIL

2. THERE ARE THREE MAIN TYPES OF OILS:
Animal.
Vegetable.
Mineral.

3. G R E A T Q UA N T I T I E S O F A N I M A L O I L C O M E
FROM WHALES.

4. VEGETABLE OIL.
 The vegetable oil has been known from antiquity.
 Some perfumes are made from flowers.
 Flowers containing vegetable oil.

5. MINERAL OIL
 The mineral oil is used in the machine.
 It is indispensable for everyday life oil.
 Is used in cars and airplanes.

6. O I L S I N DA I LY L I F E
 These types of oils are essential in life.
 Oil is the main source of Mexicans.
 The sea is the main source of oil.