United Parcel Services Teamsters workers are practicing picketing in advance a potential strike that would begin in August if the union doesn't reach an agreement with the company on a new contract by the end of July.Negotiations between the two sides have been touch-and-go, with agreements being reached in a number of areas like heat safety.
Unionized UPS pilots have told the UPS Teamsters that they will not cross picket lines in the event of a strike.
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