The conventional understanding of Murphy's Law is that if something can go wrong, it will. It might be safe enough to add, "if an incident happens, it will likely occur at the most inopportune time." ...

Clearing up to 30 feet of 1.25- to 2-inch pipe, the K9-12's chain knocker expands inside the pipe to clear the blockage and restore the pipe to full flow. RIDGID, part of Emerson’s professional tools ...