- Blacken - Blotting-paper stain - Blue fluid kept in sprinkler - Drinks a little printer fluid - Fluid found in pen, or penknife on reflection - If a pen is a weapon, the ammo is in painkillers - Octopus defence used in Helsinki
- Jet of water - Ornamental water feature - Plaza feature - Spring in a futon? Weird! - Water spray - A spring of water issuing from the earth. - An artificially produced jet or stream of water; also,
the structure or works in which such a jet or stream rises or flows; a
basin built and constantly supplied with pure water for drinking and
other useful purposes, or for ornament.