21.   Once established there was natural pressure to extend the scheme.

22.   Once such norms have been developed, there are strong pressures on people to conform to them.

23.   Pressure is on for builders everywhere to build at low cost and to be energy-efficient.

24.   Riots followed and there was diplomatic pressure on the government to assert its authority.

25.   The pressure is discreet - after all, the survival of a key Western ally and a new democracy is at stake.

26.   The pressure is on Israel and the Palestinians to resume peace negotiations.

27.   The pressure is painful.

28.   The pressures to spend are solid enough.