دانلود پاورپوینت استرس - 32 اسلاید

      If you are upstairs at home and an earthquake starts, the faster you can get yourself and your family out the more likely you are all to survive. If you need to save somebody's life during that earthquake, by lifting a heavy weight that has fallen on them, you will need components in your body to be activated to give you that extra strength - that extra push. برای دانلود کل پاپورپوینت از لینک زیر استفاده کنید: ...