Propane gas detectors can be found in stores that carry building supplies. They can be found in the section of the store that also carries the propane tanks and heaters.
Any industrial propane heater will have thousands of BTU's, but will cost a small fortune. Find one in the middle that works well for you.
You can usually purchase propane tanks at hardware stores, and occasionally, select gas stations. Call ahead to make sure the place you're going to purchase them from has them in stock.
By portable gas detectors we can be easily find out many gases at one time.
Propane generators are great to research. You can use wikipedia to find information that describes the difference between propane generators that would be useful to you.
Information about propane tank services can be found at SIS Propane, Propane 101, Temp Heat, Sparlings, Eagle Propane, Natural Handyman and True Point.
There are many good CO detectors. It is advised to read the reviews of CO detectors in consumer publications and find the CO detector that is best suited to one's needs.
See links below
Ionization detectors respond to fast burning fires like stove grease flare-ups or burning newspapers
There are many places where one can find a good deal on wireless radar detectors. One may purchase wireless radar detectors from retailers such as Radio Shack or Best Buy. One may also purchase wireless radar detectors and read reviews for them at online retailer Amazon.
To what?? Try and put some propane in your car's petrol tank and you might find your answer for that case.
Metal detectors cannot find gems or diamonds because they are not actually metals. Instead, metal detectors can find silver, gold, titanium, and other precious metals, which can be worth quite a bit.
Every twelve years it is required by law that a propane tank is certified. The latest date of certification can be located on the neck of the propane tank.