Across
Unusual pieces placed in practical engineering, maybe (7,7)
Impassive type's first to enter pyramid, perhaps (6)
They interfere and mark those selling small items losing pennies (8)
Wealthy fan left ground to tour Uruguay's capital (8)
Publication obtained thing arising from rotten matter? (6)
Something blown on the part of author Nick (6)
School is beginning to manage rift (6)
Joined awfully lewd journalist (6)
Casual worker given container, source of goodies? That's seductive (8)
Critical comment from Richard in British club (8)
Nancy's of a refined quality? (2,4)
Set of hotels with common ad broadcast about fine means for conveying orders? (5,2,7)
Down
A short athlete excited about following very fine types (4,2,3,5)
Gemstone or pearls seen at intervals (4)
Director leading fraud heading off is cheat (6)
Lecturer, say, of no practical importance (8)
Small valley featuring in model landscape (4)
Downgrade protest before entrances to this embassy (6)
Deadly gas found briefly in centre of Tacoma? (6,8)
Posh singer lately wearing hat that's glaringly bright (5)
Toughness about leader of service making profit (5)
Organisation linked to bishop of a humble sort has setback (4,4)
Problem on radio? Cast it in a different way (6)
Way followed by Mike and Bob to get electronic devices (6)
Twist Irish singer Nadine mentioned (4)
Deal adjusted for top actor (4)
Type letters or click words in the clue