aqualung, microdot, stonefish, bioelectric, repeller, nudibranch, repellent, boxfish, repellants, homing device, puffer, medicinal leech, sharkskin, wetsuit, lanternfish, moray eel, inhalator, cathode rays, bonzer, ambergris, carbonating, zapper, aspirator, antifouling, porifera, exoskeletons, fiddler crab, ragworm, wiggler, phenolphthalein, doohickey, ultraviolet lamp, earplug, gismo, cqd, eardrops, bluebottle, provent, periscopes, platypuses, fixative, superglue, harpooner, microcapsule, ballpoint pen, cossie, stud finder, anaesthetise, finless, olfactometer, goggles, oilskin, absorbant, carcharhinus, green alga, ultrasonics, waterproof, lifebuoy, spermaceti, insect repellent, sextants, fishhook, repellence, snake venom, wetware, cuttlefish, amyl nitrite, ophthalmoscope, suppresser, degrease, bioluminescent, stag beetle, mantis shrimp, atomiser, blowfly, curare, clacker, penlight, razorfish, vaporisation, ballpoints, florescent, disintegrator, needlenose pliers, submersible, reacher, suppository, chiton, sea anemone, dermo, quoll, limpet, dowsing rod, sandworm, sting ray, galvanometer, stingers, torpedos, miniaturise, verrucas, bufo marinus, monocle

golden parachute, greenmail, pac-man strategy, poison pill, safe harbor, scorched-earth policy

measure, step

porcupine provision