The Functions and Types of Door Knobs and Handles

The video tutorial explains the purpose and function of door knobs, detailing the differences between inside and outside knobs, and their mechanisms involving spindles and latches. It also covers the placement and design variations of door knobs, and compares them with other door handles like levers. The tutorial concludes with a discussion on different types of door handles and their locking mechanisms.

Explain the advantages of using door levers in commercial buildings.

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What are the characteristics of a privacy door handle?

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