Background: There are a number of ways in which one can sustain a head injury. Even if you are doing simple household activities or going out for a morning walk. you cannot be sure of what type of injury awaits you. The source of injury may be a pressure cooker whistle acting as a projectile or a hailstone falling from the sky. https://www.inmuebleslasmercedes.com/product-category/oil-test-strips/