by Philip M Ford

Across

1 Arithmetical aid (6)
5 Bird excrement (8)
9 Mobile accommodation (8)
10 Stretched rectangle (6)
11 Pinpoints (10)
12 Unabridged reading matter (4)
13 One of the seven wonders of the ancient world (8)
16 Wooden footwear (6)
17 Smoothed (6)
19 Go-getter (8)
21 Obstinate person (4)
22 Acquitter (10)
25 Hanks (6)
26 Temporary suspension (8)
27 Geological equilibrium (8)
28 Tears under strain (6)

Down

2 Insipid (5)
3 Shackle (5)
4 African language (7)
5 Fire (7)
6 Instrumentalists (7)
7 Tasty (9)
8 One millionth millimetre (9)
14 Skullcaps (9)
15 Doubters (9)
18 Subocean (4-3)
19 Irregularity (7)
20 Devoid of colour (7)
23 Proverb (5)
24 Come about (5)

Solution
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