abundant cambodia cement-mortar-jar common concrete concrete-product concrete-work container hand-made jars large pipes plastic plentiful plumbing pots potted rain rain-collection round runoff storage storing urns water water-collecting water-conservation water-container water-pots water-storage-jars water-tanks beach Beadnell colour colours England fish fishing harbour lobster pots maritime North East Northumberland Northumbria port seafood texture textures uk united kingdom background blades corner ferns fishpond flowers foliage garden greenery leaves light plants pond potted-plants reflections ripples rippling shade shadows sheltered sun sunlight sunshine vegetation wet billies billy conserved-heat convenient cooking-device durability durable economical efficient fuel-minimises fuel-minimizes handles heat-loss-minimised heat-loss-minimized heat-retention ice-cooler inner-pots insulated insulation keeps-flavour less-evaporation lids non-electric pan picnics portable portable-oven pot retained-heat retains-nutrients rice-cooker safe safer sauce-pan slow-cooker spill-proof stainless-steel strong thermal-cooker thermal-cooking thermal-insulation thermos-vacuum travel vacuum-cooker vacuum-flask water-saver zero-energy-use