All its fins except the pectorals were moved to the back to the body, increasing the power of the tail while swimming.

Electrical production increased fourteen-fold between 1954 and 1973 while industrial output increase by an average of 6.9 percent annually.

Shelf stereo systems are becoming more popular as their capabilities increase while size decreases.

GDP may increase while real incomes for the majority decline.

During the 1990s the rural population of Kansas increased by 2%, while the statewide increase was 9%.

Increasing the voice intensity while reading was found to be higher in low-vocalizers than high-vocalizers.

Studies have shown that countries heading to war will increase power language while decreasing affiliation language.

This allows blood flow to increase while resistance decreases.

The Republican spending bills increase money for the Pentagon, while freezing or cutting some domestic programs.