перо

перо

A device by which a spindle may be rotated and at the same time moved axially, as in the driving spindle of a bench drill in which the drill can travel to and from the work while spinning. It may take the form of a sleeve which does not itself rotate, but may be moved axially, usually having its outer surface machined with rack teeth to engage with the teeth of the feeding mechanism. The spindle is carried in bearings fixed inside the quill, and its driving end is provided with a long groove or keyway which engages with a corresponding key inside the bore of the pulley which rotates it.

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Part of Speech: kata benda
Sinonim (s):
Blossary:
Industri / Domain: Catatan waktu
Kategori: Jam
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перо и мастило

Sejarah seni; Sejarah seni secara umum

Historically, drawings have been made by applying ink with a quill pen made by cutting the hollow stem of a large feather, from a bird such as a goose or a swan, to create a nib. ...

перо је моћније од мача

Bahasa; Idiom

Идиом "перо је моћније од мача" значи да су речи и комуникација моћнији од ратова и борби.

механизми за мерење времена

Catatan waktu; Jam

All time measurements, whether by differential or integrative methods, originally required the attention of a watchman. The need for such attention only ceased when, besides ...

мерење времена

Catatan waktu; Jam

The presumed-unvarying flow of time is measurable differentially by observing a constant-rate process such as the movement of the sun's shadow on an equatorial sundial, or ...

тридесето-часовни сат

Catatan waktu; Jam

A clock which requires to be wound daily, with a margin of generally something over six hours to allow for a delay in rewinding. In particular, the name is associated with ...

земаљска кугла

Catatan waktu; Jam

A representation on a small scale of the main features of the Earth's surface, either purely geographical, showing continents, seas, islands, etc. , or political, showing national ...

телур

Catatan waktu; Jam

A mechanically operated model showing the revolution of the Earth around the sun, and of the moon around the Earth. An early example by Thomas Tompion and George Graham c. 1705 ...

стони сат

Catatan waktu; Jam

The earliest domestic clock was the hanging iron Gothic clock, but the application of the mainspring led to its being redesigned to make it portable. The earliest spring clock ...

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Industri / Domain: Minuman Kategori: Smoothies

Смути/фрапе од вишње

Једно од најпопуларнијег воћа (као и јагоде), управо због њиховог одличног укуса. Вишње се могу јести саме, охлађене, помешане са пићима, или уроњене ...