How to stay safe on a billboard (Billboard Insider)
Matt Schulze, Selective Structures. Here are some commonsense rules for avoiding electrocution while installing a sign or changing a vinyl. (1) Use fiberglass rods. […]
billboardinsider.com
Sat, May 1, 2021 at 11:41 AM
Sat, May 1, 2021 at 11:41 AM