Policemen literally have computers in their patrol vehicles and a lot of police work is computer work. Plumbers need to order stuff online, manage invoices, ha

Policemen literally have computers in their patrol vehicles and a lot of police work is computer work. Plumbers need to order stuff online, manage invoices, have an online presence to get and communicate with customers, have digital instruments that might feed into their field laptop. Bakers use digitalized machines and have their recipes down to an almost exact science. They use computers all the time to calibrate stuff.