Assertion: mapp gas | /r/ObjectUse | used in preference
Facets:
value: to propane
type: PURPOSE
value: to cheaper butane
type: PURPOSE
Source sentences:
text: Myhrvold recommends in Modernist cuisine: the art and science of cooking that MAPP gases should be used in preference to cheaper butane or propane as they produce higher temperatures with less risk of giving the food a gas flavour, as can happen with incompletely combusted gas.