Saggar kiln debris. Modern saggars are made of alumina ceramic, cordierite ceramic, mullite ceramic silicon carbide and in special cases from zirconia. By far the largest number of UK pottery manufacturers were based in and around Stoke-on-Trent in a region known as The Potteries. Their businesses, locally known as potbanks, fired their wares in distinctive bottle ovens. At the turn of the twentieth century over 4,000 of these were in use, although by 2014 only 47 survive, all of which are no longer in production but are listed buildings. The saggars were used for the biscuit and the glost firing. They
Rescue craft Rescue craft A rescue craft is a boat, ship or aircraft used in rescuing. The most common are Lifeboat (rescue) for Inshore and closer to shore rescues. For operations further out from shore helicopters & ships are mainly used. Most Government agencies rely on larger ships for rescues further from shore such as Royal Navy ships in the United Kingdom and Coast Guard Cutters used in the USA (Although the UK Coastguard does use larger vessels to tow ships in distress). Similarly the UK uses both the Royal Air Force SAR and UK Coastguard for helicopter rescues and the USA