NASHUA — Silken and shimmering gowns, elegant hairstyles and corsages. Sharp-creased tuxedos, cumber buns and bow ties. After the Nashua-Plainfield prom goers walk the path adorned to complement their glamor, stopping for photographs at a specially crafted pergola, the auction begins. To help fund future construction projects in the school’s   Tech Program, a cedar pergola that was hand-crafted by junior class students will be auctioned off at the end of the Grand March, which begins at 6 p.m. Saturday, April 29. The pergola is about 8 feet square and the winning bidder must pick it up by Sunday, April 30. … Continue reading N-P to auction off part of its Prom Grand March