Across
- 4. a piece of equipment consisting of a strong fabric sheet connected by springs to a frame, used as a springboard
- 7. a periodical publication containing articles and illustrations, often on a particular subject or aimed at a particular readership
- 8. a substance used to stimulate immunity to a particular infectious disease or pathogen
- 9. a sequence of actions regularly followed
Down
- 1. a warship with a streamlined hull designed to operate completely submerged in the sea
- 2. a young pilchard or other young or small herring-like fish
- 3. the chemical element of atomic number 17, a toxic, irritant, pale green gas
- 5. a state, period, or place of isolation in which people or animals that may have been exposed to infectious disease are placed
- 6. food product made principally from one or more vegetable
- 7. relating to or found in the sea