الفهرس 
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Abstract
The period of preschool is period of human life beacuse during this time the child continuosly developinggrows quickly and his social behavior and mental attitude are formed.
There are tangible and intangible items which the human beging must have in satifactory amount in order to attain and maintatain physical and psychological homeostasis.
This items are interfence in the psysical or psychological development my result.