1.   Aluminium smelters are only one of a score of industries which now pollute the total environment with fluoride emissions and solid wastes.

2.   The recent closures of the paper mill and the aluminium smelter at Invergordon lend weight to this argument.

3.   Once an aluminium smelter changes its source of alumina, it does not easily go back to it because it depends on steady, regular supplies.

4.   Aluminium prices fell, as the possibility of strike action at a leading Canadian aluminium smelter faded.

5.   And the third will divert gas to fuel a new aluminium smelter under construction in Akwa Ibom state.

6.   Dealers said that another positive factor for the metal was continued uncertainty surrounding strike action at a leading Canadian aluminium smelter.

7.   Elsewhere market rumours about possible labour unrest at two Brazilian aluminium smelters continued, dealers said.

8.   These projects include a two billion-dollar aluminium smelter, also to be set up in Sohar, and a one billion-dollar fertiliser plant.

9.   They said the cancer could be linked to toxic byproducts from nearby aluminium smelters.

10.   Other projects include an aluminium smelter and an industrial free zone.