Assertion: engine's piston | /r/HasProperty | removed
Facets:
Source sentences:
text: Those who promote raising the power settings steadily will recommend changing the engine setting from low to high powers as to not work the engine too hard and create excessive wear on the cylinder wall (which would require the pistons to be removed and wall fixed).
text: Once again the piston and cylinder are assumed to be thermally insulated and the cold temperature reservoir is removed.