Symptoms of hydrogen sulfide exposure can include nausea, headaches and convulsions, according to the U.S. Centers for ...

Learn the best methods for cutting, removing, and replacing cast iron sewer pipes with PVC in this step-by-step guide. Whether using a reciprocating saw, angle grinder, or snap cutter, this tutorial ...

The school nurse saw up to 30 students per day for headaches ... They admitted that the PVC pipe was faulty and that there were no seizures at the school in the 2021-22 school year, but denied ...