] (hr-1) signifies the probability of a fatality developing per hour inside the place. This product will take into account several failure costs and human error prices for the equipment and plumbing included, and assumes that no oxygen displays or other basic safety actions are in place. My Border Collie https://emilioeyqhx.blogofchange.com/30564229/how-protection-from-liquids-can-save-you-time-stress-and-money