tapping


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tapping

[′tap·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.

tapping

Gently touching a touch-sensitive screen. See tap and touchscreen.
References in periodicals archive ?
I started rapping my temples with my index fingers because it felt good and the Mister prefers rapping over tapping.
Without stopping I grabbed the navy blue umbrella that wasn't the Mister's and left him my tapping stick in return.
It was almost dark and I was tapping the lava rocks with a substandard tapping stick when Miss Jang surprised us.
Tapping the Source is the definitive on-line resource for the open source community at the 1999 LinuxWorld Conference and Expo.
During the tapping operation as drive slack is taken up, very large torque loads must be transferred from the tangs to the adaptor housing assembly.
As a service to customers who use tang-drive tapping systems, we offered them as a standard product for a period of time.
For tapping hard or high tensile materials, for example, check selection of tap.
Torn and rough threads, like other symptoms of tapping problems, share many of the same causes.
He feels performing tapping operations is prohibitively expensive on high-cost-per-hour CNC machine tools, considering the total cost of programming, indexing, positioning, toolchanging, and tapping times.
His solution: a manually operated pantograph tapping arm for the machine operator to use for these functions while waiting on the next part to be machined.
For the first time I really felt my politics were in synch with my dancing, that people who couldn't understand English had rallied around my tapping feet.