Give several examples of special doors that may be made for various reasons.

What will be an ideal response?


Special doors  include units that open to an area such as a roof, various types of sliding doors, doors to resist blast impacts, and doors that provide an airtight or a watertight closure. Special doors and glazing are used for security purposes. Various types of folding and accordion doors are widely used in residential and commercial construction.

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The matric potential is due to the attraction of water molecules to soil solid surfaces

Indicate whether the statement is true or false

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A type ________ DTC is set if an emission problem may cause damage to the catalytic converter

A) A B) B C) C D) D

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Light-emitting-diodes can be tested in a manner similar to that of testing a(n) ____________________ diode.

Fill in the blank(s) with the appropriate word(s).

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The primary function of the diac is to phase shift a(n) ____________________.

Fill in the blank(s) with the appropriate word(s).

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