work in

Verb

 * 1)  To find time or space for, amid other things.
 * It'll be a tight schedule, but we can work you in.
 * 1)  To work out using a machine in between the sets of someone who is already using that machine.
 * Is it okay if I work in while you rest?
 * Next, you have to work the eggs in the batter.
 * He works in cybersecurity.
 * He works in cybersecurity.