In general, the hydroxamates are used for flotation of oxidic minerals (pyrochlore, cassiterite and ilmenite), rare-earth oxides and oxide copper minerals.

Could you back off the volume a bit? It's really loud.

There are 19000-odd words in his gospel, and 971 of these are hapaxes: there are 18000-odd words in Acts, and 943 are hapaxes.

a plugless sink