21.  Labour increased its parliamentary majority.

22.  Most animals increase their fuel consumption in proportion to the extra baggage they are carrying, but not the camel.

23.  Performing high-speed aerobatics in close formation, low to the ground, increased those risks many fold.

24.  Reductions in spending on labour-intensive services increase unemployment and hence social security costs.

25.  Regular exercise increases your energy levels.

26.  The arms trade increases Third World debt, which is a burden born by the poorest.

27.  The build-up of recessive genes increases the incidence of genetically determined diseases, such as sickle-cell anaemia in humans.