Assertion: gas powered aircraft engine | /r/CapableOf | use air/pneumatic
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Gas turbine aircraft engines such as turbojets, turboshafts and turbofans often use air/pneumatic starting, with the use of bleed air from built-in auxiliary power units (APUs) or external air compressors now seen as a common starting method.