More or less finished, I think, but find it hard to parse some answers.
10 ac Black pipe down to bin I fill with food. B-N-U-T. Banquet I suppose but why?
12 ac Movement between banks' current accounts for light in Louvre L-I-E. Loire, I suppose, with UV in Louvre = light, and banks/current = river. But still don't see it.
20 ac Cares for more than one behind looms. R-A-S. I have rears but not at all confident.
Forgive my doltishness. Late night (disturbed Hank result tardy)