Help StopTheSpread of COVID-19 by using this Preventive Guidelines Sign to inform employees of new regulations giving them a plan of action they should take in response to the COVID-19 outbreak. Its essential Construction sites have a comprehensive COVID-19 control plan including control measures, symptom checking, social distancing, good hygiene, decontamination procedures, and training. By posting Preventive Measures Signs employees will understand the plan of action needed to avoid the risk of spreading or getting the infection.