Uber is testing an on-demand staffing business called Uber Works. The service would make it possible for businesses to hire short-term workers for things like events and corporate functions, such as waiters or security guards. The company is trialing the service in Chicago after testing it in Los Angeles earlier this year. Uber has spent the last few years developing new facets of its business including a new division of Uber Freight, its trucking division, called Powerloop. Where Uber Freight helps match truckers to companies that have goods that need to be moved, Powerloop is a service that will rent physical equipment — in this case, tractor trailers — to drivers in need for a daily fee. Uber has also been diversifying its core on-demand transportation offerings beyond car rides, too. The company added electric scooters and bikes to its ride-hailing app this year, and it’s eyeing more futuristic options like all-electric short-range aircraft, too.