Matched context for back up and power

The page lists matched contexts for back up and power.

Share - back up	Share - power	Phrase
31.15%	6.49%	battery [does] {back up or power}
8.26%	1.09%	fuel [does] {back up or power}
13.57%	0.42%	{back up or power} ram [perform operation]
2.30%	0.63%	means [does] {back up or power}
2.94%	0.09%	{back up or power} fuel [perform operation]
2.75%	0.08%	so [resume] {back up or power}