Matched context for useful and efficient

The page lists matched contexts for useful and efficient.

Share - useful	Share - efficient	Phrase
1.15%	3.01%	{useful or efficient} [effectiveness] system
0.55%	1.86%	{useful or efficient} [effectiveness] method
3.34%	0.34%	particularly {useful or efficient}
0.86%	0.47%	{useful or efficient} [effectiveness] apparatus
0.30%	0.29%	{useful or efficient} [effectiveness] arrangement
0.19%	0.77%	{useful or efficient} [effectiveness] assembly
0.17%	0.26%	{useful or efficient} [effectiveness] burner
0.16%	0.29%	{useful or efficient} [effectiveness] circuit
0.16%	0.91%	{useful or efficient} [effectiveness] control
0.60%	1.52%	{useful or efficient} [effectiveness] device
0.18%	0.30%	{useful or efficient} [effectiveness] effect
0.31%	0.34%	{useful or efficient} [effectiveness] energy
0.21%	2.80%	{useful or efficient} [effectiveness] engine
0.63%	0.71%	{useful or efficient} [effectiveness] fuel
1.58%	0.34%	{useful or efficient} [effectiveness] it
0.27%	1.89%	{useful or efficient} [effectiveness] means
0.41%	0.55%	{useful or efficient} [effectiveness] mixture
0.37%	0.22%	{useful or efficient} [effectiveness] power
0.16%	0.79%	{useful or efficient} [effectiveness] process
0.71%	0.44%	{useful or efficient} [effectiveness] range
0.18%	0.25%	{useful or efficient} [effectiveness] stroke
0.16%	0.47%	{useful or efficient} [effectiveness] structure
0.21%	1.36%	highly {useful or efficient}
0.20%	0.48%	very {useful or efficient}