Assertion: engine's piston | /r/HasProperty | arrayed in line
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: An engine with a 4-cylinder setup uses four pistons, which are usually arrayed in a line, to drive the crankshaft.
text: While 4-cylinder engines have the pistons arranged in a line, 6-cylinder engines usually have them arranged in a V shape.