Assertion: spark plug | /r/CapableOf | ignite the fuel
Facets:
value: a few degrees
type: OTHER
value: before tdc
type: TEMPORAL
Source sentences:
text: If the spark plug ignites the fuel before the piston gets to the top of the stroke, the piston will be forced backwards causing great stress on the engine.
text: In reality, the spark plug ignites the fuel a few degrees before TDC (top dead center).
text: If the spark plug ignites the fuel after the piston is at the top, combustion will be late and all the fuel will not burn before the piston gets to the bottom.