How to choose a watermelon?? (Taking information from the book)

Once you do not know how to choose arbuz.Mnogie slip bad. And yet, how to choose a watermelon!
Level of difficulty: It is not easy 
Step 1
First of all you need to select the place of purchase. Believe me, watermelon is very well absorb all sorts of harmful substances! Therefore you should not buy a watermelon at a dusty road - just think how bad substances from the surrounding atmosphere, they absorb through the skin! And perhaps it is worth considering that it is not a simple point on the rules of trade watermelons should be under a special canopy, and watermelons must lie in special trays with a minimum height of 20 cm
 Step 2

Choose a medium size watermelon (from 6 to 10 kg). Too much watermelon can be overfed chemicals that increase growth. A little watermelon, tends to be immature.Step 3
Pay attention to peel fruit - it should be shiny, without any opaque plaque, and its upper layer can be easily scratched with a fingernail. On the surface of the watermelon there should be no cracks or some points (this may be the injection of chemicals!).Step 4
Just a sign of maturity is a small bright spot on the side Zhelken watermelon - watermelon lay it sideways on the ground. The spot should not be too big!Step 5
Tap the melon. Sound dull? - Well, this watermelon is what you need! And if you have enough strength, then poporobuyte to compress, and if they hear a crash - excellent! This must be a delicious watermelon