  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.
Tetanus often begins with mild spasms in the jaw muscles âalso known as lockjaw or trismus. The spasms can also affect the facial muscles resulting in an appearance called risus sardonicus. Chest, neck, back, abdominal muscles, and buttocks may be affected. Back muscle spasms often cause arching, called opisthotonos.ence, stepping on a nail (rusty or not) may result in a tetanus infection, as the low-oxygen (anaerobic) environment is caused by the oxidization of the same object that causes a puncture wound, delivering endospores to a suitable environment for growth.