Struggling with this one this week
16d Units of weight (5) - - - L -
1a Crow like black bird (4) - - O -
17d prevent (6) - H - A - -
21d ice sheeet (4) - e - -
23d Badly, wrongly (3) R- -
24a extricate (110 - I - - - - - W- - -
Hi again - yes I had a couple of letters wrong in other clues so have managed to complete this finally - Thanks again for all your help - appreciated as always .