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• All push buttons are dust and oil tight.
• This surface is impervious to dirt and moisture.
• The pipe is opaque to radiation.
• Water tight, Air tight, Gas tight, Liquid tight.
• Although the membrane of the red cell lets water pass freely, it is impermeable or impenetrable to large molecules such as hemoglobin.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
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