Matched context for obstruction and overheating

The page lists matched contexts for obstruction and overheating.

Share - obstruction	Share - overheating	Phrase
3.34%	8.24%	avoid {obstruction or overheating} [perform operation]
0.92%	17.03%	prevent {obstruction or overheating} [perform operation]
2.72%	1.63%	detect {obstruction or overheating} [perform operation]
1.10%	3.10%	cause {obstruction or overheating} [perform operation]
1.15%	1.22%	system {obstruction or overheating}