What does the cryptic crossword clue "Two phases for demolishing clothing factory (9)" mean?

The definition is "factory". The wordplay uses an anagram. anagram of TWO + PHASES = SWEATSHOP; definition: "factory" The answer is SWEATSHOP.

Two phases for demolishing clothing factory (9)

Daily Mail Cryptic #17460 | 14 Across | 2024-10-04 flower