In this video we show you in a reaction to How a Pneumatic Buril Works a reaction that we give to Guillermo Petrochelli, a luxury jeweler that we have here in Argentina, Guille does beautiful and incredible work, his highly recommended channel, the name of his channel is Guillermo Petrochelli Goldsmith, in this case shows us how the Pneumatic Burin works, the precision it has, how comfortable and useful it is.