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How a Retractable Ballpoint Pen Works

1,334,631 views

engineerguy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English

Speech Time:

98%
  • 4:38 / 4:43

Speech Rate:

  • 182 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

retractable

/rəˈtraktəb(ə)l/

adjective

(Of statements) able to be taken back.

distinctive

/dəˈstiNG(k)tiv/

adjective

characteristic of one person or thing, and so serving to distinguish it from others.

pressing

/ˈpresiNG/

adjective noun verb

requiring quick or immediate action. record or other object made application of force or weight. To squeeze the liquid out of grapes, etc..

produce
noun verb

agricultural products. To control the making a movie or television show.

plastic

/ˈplastik/

adjective noun

made of plastic. Stiff but usually flexible man-made material.

plunger

/ˈplənjər/

noun

device consisting of rubber cup on long handle.

carefully

/ˈkerfəlē/

adverb

In a manner that involves focus and care.

tubular

/ˈt(y)o͞obyələr/

adjective noun

Made with tubes. undefined.

creates

/krēˈāt/

verb

To make, cause, or bring into existence.

describe

/dəˈskrīb/

verb

To tell the appearance, sound, smell of something.

mechanism

/ˈmekəˌnizəm/

noun

Part of a machine that performs a certain function.

triangular

/trīˈaNGɡyələr/

adjective

shaped like triangle.

introduced

/ˌintrəˈd(y)o͞os/

verb

To begin the use of a new thing or practice.

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