- Impact from a stone or other object smashing the glass in a ‘bullseye’ effect
- The result of a break-in
- Extreme weather or changes in pressure causing a crack
- The sealed unit being ‘blown’, meaning that it’s no longer energy efficient due to air leaking out
Lybster
Lybster is a town on the east coastline of Caithness in northern Scotland. It was when a big herring angling port, however has decreased over the last few years, due to troubles in the industry. The Waterlines heritage gallery is located in Lybster Harbour as well as supplies details on the history and geology of Lybster. A small number of crab angling boats also operate from Lybster Harbour. Lybster lies on the l lth section of the John O'Groats Trail, a long-distance strolling trail from Inverness to John O'Groats.