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.
Effects: The effects depend on: The degree of heat: The effects are severe, if the heat applied is very great. The body of an adult does not burn completely in a burnt house, as the temperature usually does not exceed 650oC. For purpose of cremation, a human body has to be incinerated for one and half hours at 1000oC.