https://output.jsbin.com/tobuvafuso/
https://www.openlearning.com/u..../dupontwentworth-sll
Patio Gas Versus Butane and Propane Patio heaters are an excellent method to warm your outdoor spaces, enabling you to extend your use of your outdoor area. They are highly efficient and can be adjusted to provide a variety of heating. Gas is available in 'patio' bottles that are compatible with BBQs. They use a clip-on regulator, and butane cylinders have screw-in connectors. What is Patio Gas? Patio gas is propane or butane in a small 'patio bottle' des