  In other words, in an EPC contract, the EPC contractor (EPCC) agrees to deliver the keys of a commissioned project to the owner for an agreed amount, just as a builder hands over the keys of a flat to the purchaser. An owner decides for an EPC contract for several vital reasons.
Tetanus is a serious bacterial disease that affects your nervous system, leading to painful muscle contractions, particularly of your jaw and neck muscles. Tetanus can interfere with your ability to breathe and can threaten your life.
These diseases are caused by bacteria. Diphtheria and pertussis are spread from person to person through coughing or sneezing. Tetanus enters the body through cuts, scratches, or wounds. Before vaccines, the United States saw as many as 200,000 cases a year of diphtheria and pertussis, and hundreds of cases of tetanus.