What’s the question? I can gladly help :D
Either mechanical or physical. I would say physical though.
HIV testing is bad for you and can kill people who take hiv and can have a lot of blood lose
<span>The answer is opening, wide. Employers must guard employees from three types of hazards. These include a floor opening that is large enough for a person to fall into, a floor hole that is large enough and wide enough for small items to fall into, and a wall opening that is large enough for a person to fall through and is at least 4 feet above the ground. </span>