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Tapping

   Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Idioms, Wikipedia 0.01 sec.
tapping [′tapĀ·iŋ]
(mechanical engineering)
Forming an internal screw thread in a hole or other part by means of a tap.
(metallurgy)
Opening the pouring hole of a melting furnace to remove molten metal.

Tapping 

special wounding of growing trees for the purpose of obtaining essential oils, resins, raw rubber, and sugar syrup.

The tapping of rubber trees is the most developed form of tapping in world economy. In the USSR the tapping of pine trees is commercially significant. To a small extent the nut pine Pinus Sibirica and the fir are tapped, and a very valuable balsam used in optics is obtained. In the USSR in the southern Urals and Byelorussia, birch and maple are tapped for their sugar syrup.



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Presently my soul grew stronger; hesitating then no longer, "Sir," said I, "or Madam, truly your forgiveness I implore; But the fact is I was napping, and so gently you came rapping, And so faintly you came tapping, tapping at my chamber door, That I scarce was sure I heard you"--here I opened wide the door-- Darkness there and nothing more.
Next, he took me forcibly by the hand, and, tapping my cheek, said that I was very good-looking, and that he greatly liked the dimples in my face (God only knows what he meant
But the tapping was repeated, and with the same gentle, slow insistence as before.
 
 
 
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