Sentence examples for be optional and selective from inspiring English sources

Anyways, the Actuator could play an important role in the final system, and its implementation could be optional and selective, only taking part for attacks against which automatic defensive mechanism can be applied.

(Dinner is optional and £10 a head).

Face masks are optional, and many players opt out.

Religious ceremonies are optional and have no legal status.

In addition, he said, payment is optional and donation-based.

Participation was optional and anonymous.

A Community Outreach and Education Core COECC) is optional and not required.

Participation was optional and involved no incentive.

Others are optional and will be interpreted if entered.

Delayed imaging was optional and was performed on 8 patients.

This is optional, and is for the treasurer.