Cellulitis is a deep bacterial infection of the skin. The infection usually involves the face, or the arms and legs. It may happen in normal skin, but it usually occurs after some type of trauma causes an opening in your child's skin. Other causes may include human or animal bites, or injuries that occur in water. This opening can lead to an infection.
Hard Hat Classes: The three classes are based on the level of protection they provide from electrical hazards. 1  Class G (General) hard hats are rated for 2,200 volts. 2  Class E (Electrical) hard hats are rated for 20,000 volts. 3  Class C (Conductive) hard hats do not offer electrical protection.
Thanked 28 Times in 5 Posts. Hard Hat (Safety Helmet) Types and Standards ANSI Z89.1-1986. ANSI Z89.1-1986 separates protective helmets into different types and classes. The standard identifies Type 1 and Type 2 helmets. Type 1 helmets incorporate a full brim (the brim fully encircles the dome of the hat); Type 2 helmets have no encircling brim* but may include a short bill on the front (similar to a baseball cap).