At top, Stephanie O’Keefe, of Olneyville, paints graphics as 300 employees of Staples from across the United States and Britain volunteer to build a playground in Merino Park, paid for mostly by Staples with donations from the Woonasquatucket River Watershed Council. Above, Joe Dixon, of Marlboro, Mass., tightens bolts on some of the playground equipment.

The Providence Journal / Andrew Dickerman