In English
and are essential for life
The disease of fluorosis is cause by contamination in food, air and water. Earth, fire and ether are the elements constituting the essential basis for human life. Water and air constitute the (Life-Force). While ether, earth and fire are the (basis), water and air are essential for (life). Water and air provide the food for the sustenance of life. While the three elements earth, fire and ether form the (support), the other two - water and air form the (food). You get water and air from the (earth). It is the nature of and is all powerful. The astronauts who travel in space-ships to explore space have to carry water and air with them from the earth for their survival. They have to take things from the earth while they travel to the moon to bring a few samples from the moon. Billions of dollars are spent on these exercises.