How do I solve 1 down in Times Cryptic 5221?

Question

Accepted Answer

1 down reads "Factory in Bury" (5 letters); the answer is PLANT. It's a double-definition clue: two separate definitions of the same word sit side by side. No wordplay split and no indicators — both halves of the clue define the answer. The full step-by-step breakdown is on this page.

Factory in Bury (5)

1D — Factory in Bury (5) — PLANT