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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

Having a quality that is different from others.

pressing

/ˈpresiNG/

adjective noun verb

(Matter, question) urgent. 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. synthetic material made from organic polymers.

plunger

/ˈplənjər/

noun

device consisting of rubber cup on long handle.

carefully

/ˈkerfəlē/

adverb

in way that deliberately avoids harm or errors.

tubular

/ˈt(y)o͞obyələr/

adjective noun

long, round, and hollow like tube. undefined.

creates

/krēˈāt/

verb

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

Having three straight sides.

introduced

/ˌintrəˈd(y)o͞os/

verb

To begin the use of a new thing or practice.

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