books a deep hole from which water and oil are extracted
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# How is shale oil extracted?
# well
# How is sesame oil extracted?
# How is agarwood oil extracted?
# How is oil extracted?
# How is olive oil extracted?
# From which plant is sage oil extracted?
# How is musk extracted?
# How is gold extracted?
# How is diamond extracted?
# How is amber extracted?
# How is sugar extracted?
# Where is alfalfa extracted?
# Where is saffron extracted?
# How is sapphire extracted?
# How is mercury extracted?
# How is natural gas extracted?
# What is amber and where is it extracted?
# What is mercury and where is it extracted?
# From what animal is amber extracted?
