An electronic music speaker, amplifier or sound system.

Speaker

A ballot box with a paper being slipped in it, or a regular storage box with a paper sticking out of it. 

Ballot Box

A standing vertical voting booth or gaming machine with a vent seen from the side.. 

A graphic symbol of an atom with two electrons.

Some science-related screen content with elements such as shapes and an electron.

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