Lithotripsy is a procedure that uses shock waves to break up stones in the kidney, bladder, or ureter (tube that carries urine from your kidneys to your bladder). After the procedure, the tiny pieces of stones pass out of your body in your urine.
Propane gas is ideal for grills because, when pressurized, it compresses and turns to liquid, making it easy to store in tanks. It also contains more cooking energy than natural gas as measured in British Thermal Units (BTU). A BTU is the amount of energy required to raise the temperature of one pound of water 1Â°F. There are about 2,500 BTU in one cubic foot of propane and only about 1,000 BTU in one cubic foot of natural gas. Manufacturers tout the number of BTU their grills can produce, but the number can be very misleading. BTU is not indicative of the heat it can generate.
How Many BTUs: In the old days, 100 BTUs per square inch was probably on the low side. These days, grills are more efficiently designed and typically don't need as high an output. For a standard gas grill I recommend looking at how the lid fits to the body.If it is a close fit and the components, like the cooking grates, are heavy the grill should heat hot and fat with a BTU rating of 80 to 100 per square inch.For an infrared grill, the same rules apply but the BTUs should be more in the 60 to 80 range.Of course grills are going to be all over the scale but if you look in these ranges you are probably going to find a gas grill that does its job.or an infrared grill, the same rules apply but the BTUs should be more in the 60 to 80 range. Of course grills are going to be all over the scale but if you look in these ranges you are probably going to find a gas grill that does its job.