1.   Coal-fired plants could, in theory, be converted to use some other fuel, but that would be prohibitively expensive.

2.   The rolling hills around Grange have largely been converted to use for farmland.

3.   There was no structural damage to the rig, which workers in a Brownsville, Texas shipyard were converting to use for deep-water drilling, the company said.

4.   Four of her cars have been converted to use liquid petroleum gas.

5.   The Uzbek reactor would be converted to use low-enriched uranium, which is less susceptible to being used in weapons.

6.   Many vending machines have yet to be converted to use euros instead of old money.