  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.
Once under the skin, the bacteria make a toxin that causes muscle spasms. If these spasms affect the throat and jaw (lockjaw), they can interfere with breathing, causing suffocation. The tetanus toxin can also damage the heart.