man artists hands working on a blown glass piece. shaping glass bowl

art artisan artist blowing blowpipe craft craftsmanship crimps desk equipment fingers forming fragile glass glassblower glassblowing glassmaker glassmaking glowing hand handicraft handmade handwork heat hot industry jacks job maker marvers method mold molten paddles parchoffi pipe plant process punty scissors shape shear steam taglia tool traditional warm water wet yokes