12 Across, I won't mean 19, Perhaps? (3-11)
(19 =Dense- therefoe covering (5) )
13 Across, Clover is typically the leader, spread containing iron (5-6)
16 Across, 12 stock authorised on delivery? (11)
18 Across, I'd predict rash manoeuvres succeeded for them (8,6)
Sorry no letters
Many thanks in advance