Several dozen UPS drivers and workers walk Thursday morning from the Auburn customer center on Flightline Drive by the airport before they clock in for work. Centers across the country are doing practice strikes this week to show solidarity in wanting a new contract. The Teamsters union’s 340,000 members across the country are threatening to strike on Aug. 1 if union demands are not met. Visit sunjournal.com to watch and listen to some of them speak. Russ Dillingham/Sun Journal

UPS driver and union steward David Swift, left, leads several dozen drivers and workers Thursday morning from the Auburn customer center on Flightline Drive by the airport before clocking in for work. Centers across the country are doing practice strikes this week to show solidarity in wanting a new contract. The Teamsters union’s 340,000 members across the country are threatening to strike on Aug. 1 if union demands are not met. Visit sunjournal.com to watch and listen to some of them speak. Russ Dillingham/Sun Journal

Several dozen UPS drivers and workers walk Thursday morning from the Auburn customer center on Flightline Drive by the airport before they clock in for work. Centers across the country are doing practice strikes this week to show solidarity in wanting a new contract. The Teamsters union’s 340,000 members across the country are threatening to strike on Aug. 1 if union demands are not met. Visit sunjournal.com to watch and listen to some of them speak. Russ Dillingham/Sun Journal