| SPRINKLERSYSTEM | Set of devices for releasing water in a building as protection against fire (9,6) |
| BROWSER | A piece of software used on a range of devices for navigating the internet (7) |
| TAP | Lightly touch thing for releasing water (3) |
| JACK | Figure of a man striking a bell on a clock; device for releasing one's foot from a boot; or, a leather pitcher (4) |
| PORTICO | Covered walkway consisting of a roof supported by regularly-spaced columns, typically attached to a building as a porch (7) |
| ASBESTOS | A grey, fibrous material used in insulation and protection against fire (8) |
| BURGLARY | Robbery by a person entering a building as a trespasser (8) |
| MNEMONIC | Arrange men from Scotland in charge of device for reminder (8) |
| RUBBERSTAMP | Approve of device for use in the office (6-5) |
| MOAT | Deep, broad ditch dug around a fortress filled with water as protection against invasion |
| CORD | Half of device for storing data in binder (4) |
| GADGETRY | Tagged components on the lines of a lot of devices (8) |
| THORN | Sharp outgrowth on a rose or citrus plant evolved as protection against herbivores |
| SANDBAG | A sack often containing earth as protection against floods or bomb blasts (7) |
| TARPAULINS | Sheets of heavy, hardwearing, waterproof fabric as protection against moisture (10) |
| BREAKWATER | Offshore structure built as protection against the force of waves (10) |
| LACEWINGS | Netting wound over top of shrubs as protection against aphids? |
| BETJEMAN | UK's poet laureate from 1972-84 who campaigned for the preservation of historic buildings as a founder member of the Victorian Society (8) |
| EXERCISE | Carry out most of device for training muscles (8) |
| RIPCORD | Mechanism for releasing a parachute from its pack or for opening a hot-air balloon's envelope, causing the latter to descend (7) |
