Assertion: valve's ball | /r/HasProperty | rotated by central shaft
Facets:
value: to a position
type: PURPOSE
Source sentences:
text: 4 and 5, when the handle 4 is rotated toward the direction of the pipe, the ball 7 is rotated by the central shaft 3 to a position where the main flow hole 70 communicates with the main passage hole 81, so that the pipe is disposed at an open state.
text: 6 and 7, when the handle 4 is rotated clockwise to the position perpendicular to the pipe, the ball 7 is rotated by the central shaft 3 to a position where the main flow hole 70 is not communicated with the main passage hole 81, so that the pipe is disposed at a closed state.