Matched context for extend down and extend up

The page lists matched contexts for extend down and extend up.

Share - extend down	Share - extend up	Phrase
11.03%	13.08%	tube [does] {extend down or extend up}
8.53%	10.43%	pipe [does] {extend down or extend up}
6.06%	8.47%	section [does] {extend down or extend up}
4.20%	7.99%	portion [does] {extend down or extend up}