What is a common type of automatic door?

Which type of sensor is commonly used in automatic doors for security?

During a power failure, how do most automatic doors operate?

Which of the following is NOT a component of an automatic door system?

What feature may be added to automatic doors for safety?

What happens if there is an object in the way of an automatic door?

How do automatic doors know when to open?

What is the main purpose of an automatic door control system?

What is the main purpose of automatic doors in terms of security?

Which sensor is commonly used in automatic door control systems?