A system for manufacturing an airfoil includes a laser beam and a first fluid column surrounding the laser beam to create a confined laser beam directed at the airfoil. The reservoir may have the shape of a bottle, wherein the dispensing opening, which is preferably designed as a snap-off opening, is disposed in the thinner region, i. The deck member includes a pair of angled leg members which are designed to provide support throughout the range of engagement of the ramp. The 2Nth current balancing unit is connected to a fourth output end of the Nth transformer, and the th current balancing unit is connected to a first output end of the Nth transformer.