7d) Let down, engineer said pressure improved joints. (12)
13d) Deceptive UFOs bizarrely keep everyone at CIA baffled. (4,8)
18d) Instrument radical old medico held in 5* (8)
21a) Fruitful if one line in corporation is withdrawn (8)
Any help gratefully appreciated.
*clue for 5d) Muscle quality and energy needed to support weight -4ltrs
7d.Disappointed ( anagram od said + p + pointed) 13d.Fal lacious (anagram of ufos round all + anagram of cia) 18d.Trombone( tone roiund o mb) 21. Prolific ( corp reversed round l & if) 5d.Tone
7d.Disappointed ( anagram od said + p + pointed)
13d.Fal lacious (anagram of ufos round all + anagram of cia)
18d.Trombone( tone roiund o mb)
21. Prolific ( corp reversed round l & if)
5d.Tone