The U1864 confined-space cover signs from Uticom Systems are durable and easy to install and store. The signs increase confined-space safety and reduce the risk of falling into or entering an uncovered manhole. They comply with OSHA 1910.146, 1910.121 and ANSI Z535.1, Z535.2 and Z535.3. The signs have a nonskid overlaminate and are made of 0.125-inch reflective polycarbonate material. They are also available in an 18-by-36-inch label, backed with a high-strength adhesive to apply to plywood. 800-548-5321; www.uticom.net.