books double boiler
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# double pressure boiler
# steam boiler
# Flame tube boiler
# water pipe boiler
# Heat recovery boiler
# electric steam boiler
# How to clean the water boiler
# boiler room works
# Swimming pool boiler assay
# Water boiler
# electric kettle
# Side tube kettle
# kitchen kettle
# Watts and the kettle
# pull kettle
# Roasted Steam Kettle
# glue kettle
# multi-unit kettle
# Hand hole in kettle
# bucket or kettle handle
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غلاية مزدوجة (Info)
غلاية مزدوجة:- وعاء طهي يتكون من إناءين متلائمين أحدهما في الآخر ، ويتم فيه طهو الأشياء في الإناء العلوي بالماء الذي يغلي في الوعاء السفلي . (معجم الكيمياء والصيدلة (ج١))
