Modifies a noun

• coral: However, we have known about cold-water corals for much longer than that.

• reef: They are often seen in and around the deep, cold-water coral reefs west of Norway and Britain.

• diving: Cylinders For most divers, the type of cylinder used for cold-water diving comes down to what's available.

• fish: Why are cold-water fish so rich in EPA and DHA?

• tank: Pulled into the driveway to spy the remains of our cold-water tank, the one in the loft.

• bath: In the basement there's a cold-water plunge bath lined with stone - not our idea of a relaxing soak!