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How to make a Neon Sign Step 2: Bending the Glass The glass tubing is rotated and rocked in burner flames which use a gas and air mixture to raise the flame temperature. Generally four burners are used. Crossfire and fishtail burners produce most angled bends and splices. Ribbon burners produce curves or sweeps. Hand torches are usually used for splices or tapering and tipping off electrodes. |
