Motorhomes have heavy steel propane tanks that have been built to ASME specs (American Society of Mechanical Engineers). These tanks are bolted in place.
Trailers have portable light steel cylinders that are built to DOT (Department of Transportation) specs.
The only way I've ever seen propane cylinders filled is by pumping liquid LPG (usually 95% propane) into the cylinder while the bleeder valve is cracked open. When the bleeder releases liquid, not gas, the tank is properly filled.
I'm free of prostate cancer for 5 years now.
All men over age 50 should get an annual PSA blood test. Mine had a low reading, but the yearly jump was significant. The biopsy showed cancer just entering the aggressive stage. Dr. Hackenslash removed it.
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