Definition of ultra-clean in English:

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ultra-clean

adjective

Extremely clean: an ultra-clean home
More example sentences
  • An ultra-clean lifestyle actually depletes our ability to combat illness.
  • There has been an assumption that it would be too expensive to produce ultra-clean coal.
  • There are potential markets for ultra-clean coal technology all over the world - and not only for power generation.

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Line breaks: ultra-clean

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