A valve arrangement in the cylinder head where the valves are at an angle to the cylinder bore. Canting the valves can make for a straighter path for air to flow into and out of the intake and exhaust ports. The area of an engine in which the air/fuel mixture is burnt.
There are lighters out there designed to burn up to 2500 degrees Celsius, so it is certainly possible to find one that is up to the task if you have a project that involves melting glass. One reason that most lighters will not melt glass is that they are simply not hot enough.
Butane burns with air at 1970 degrees Celsius. Propane burns with  air at 1980 decrees Celsius. Burning with an oxygen mix increases  the temperature of a propane flame to 2â¦820 degrees Celsius.  However, keep in mind that if you are brazing/soldering, the object  you are heating dissipates heat.