"Even your physical body, all your cells will be replaced within eight years."

The designers believe that robots can replace half of all surgeons within 15 years.

Mr. Kasper, the consultant, said that regulators would try to determine whether any competition lost because of the merger would be replaced within two years.

And if I am right, search will be replaced within five years by something much better.

Both these systems were replaced within 15 years by electric trams.

The new lenses had completely replaced all older, less accurate types within fifteen years of their entry into the marketplace.

LEAD: Canada's one-dollar coin will completely replace the paper dollar bill within two years, the Government has announced.

Products that contain hazardous substances are to be replaced within three years if safer alternatives exist.

Mr. Kerry has said he could replace most, but not all, American troops with foreign forces within four years by offering new inducements to other countries.

This was the A1 mount, which was replaced within 2 years by the B1 mounting set, which featured an integrated design in streamlined shape.