7 D It's felt the factory worker came first (7) ?a?d???
12 A Knave making travel arrangements (6) ??r???
17 A Providing your own food if cleaner's gift is broken(4,8) ????????????
21 A Animal doctor near injured warhorse (7) ???????
22 A Gaudy cover put round ancient city (5) ?????
23 A Mad fanatic, hours from Johannesburg, perhaps (5,7) ????????????