A few left to do.
11a. It's as smooth as a laboratory flower (9) A?A?A????
8d. A particular aptitude for making a durable Jacket an trousers (6,4) S???N? S???
20d. ...with some tax due she gets very tired (9) E?????T?D
24a In West Haiti find a different nationality (4)
28a. Creature responsible for the work of a month (7) OCT????
Many thanks