Test tube or vial filled with medical liquid, blood sample, potion or other fluid.

Test Tube With Liquid

Person sitting faced back, working with a bended hand.

Person Sitting Faced Back With Tilted Hand

A virtual reality headset that is worn over the eyes. 

Squared speech bubble, with slashes of words.

Seated working person, sitting at her desk working or participating in a videocall.

A person sitting, working on his laptop. 

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.