By offering certainty of income they provide a stable foundation for retirement planning, giving members more confidence to be adventurous with their remaining pension pot.

But the 11-year-old start-up may not be the most stable foundation on which to build a durable recovery.

This provided a better and more stable foundation for fire-control equipment, greatly improved accommodation and protection from the weather.

They would select a site on a relatively flat area of bedrocknot sandwhich provided a stable foundation.

These breakthroughs provided a solid, stable foundation for efforts that continued through the 1990s.