Matched context for close and seat

The page lists matched contexts for close and seat.

Share - close	Share - seat	Phrase
26.07%	13.16%	valve {close or seat}
5.68%	0.36%	intake {close or seat}
1.96%	0.52%	ball {close or seat}
3.72%	0.33%	check {close or seat}
7.42%	0.20%	exhaust [physical/chemical] {close or seat}
2.23%	0.19%	poppet {close or seat}