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Used Acetone
Use Spotter For Backing
Use The Other Door The Ducks
Use Protective Goggles In Production
Use PPE During Bit Change Cleaning
Use Pier At Own Risk
Use Phone For Assistance After Hours
Use Specimen Power Supply Control Terminal
Use Other Door For Exit And Emergency Egress
Use Only After Fixed Fire Suppression
Use Phone For Access
Use Of Mobile Phones Prohibited
Use Non-Flammable Liquids Only
Use It Or Lose It
Use Goggles Or Face Shield When Using This
Use For Waste Water Only
Use Of Cellular Devices Is Prohibited
Use Exit Door On The Right
Use Card To Activate Door
Use Card Reader To Gain Access No Code Required
Use Card Reader To Gain Access Code Required
Use Exit Door On The Left
UPS Room Do Not Enter
USDA Regulated Area
Urethane Reducer Hazardous And Flammable
Unwarranted Exit AndOr Tampering With The
Use A Forklift Or Electric Pallet
Unused Equipment And Parts
Unstable Mine Shaft Do Not Enter Sign
Unprotected Beach No Swimming
Unwarranted Exit And Or Tampering With The
Unplug Machinery To Clean Oil
Unleaded
Unleaded Sign
Unplug When Not In Use Or Left Unattended
Universal Waste Storage
Universal Waste Storage Only Used Fluorescent
Universal Waste Battery Collection Only
Unit Under Clearance Sign
Unit Starts Automatically Sign
Unguarded Elevated Working Surfaces
Uneven & Slippery Conditions
Underground Sprinklers Installed Contact Sign
Uneven Sidewalks Watch Your Step
Unauthorized Vehicles No Trespassing Police
Under 21 Allowed In Dining Area Only
Ultraviolet Light Wear Eye Protection
Under Water Obstacle
