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Warn employees and other individuals of an open pit and to be careful of it.
Prevent injuries by alerting workers and bystanders to the presence of an open hole.
Warn employees and other individuals of a low clearance areas.
Warn employees and other individuals of an open trench and to be careful.
Warn people that a permit is required due to the confined space.
Warn employes and other individuals of a deep excavation in the immediate area.
Warn others of the dangers of incomplete scaffolding to prevent injuries.
Create awareness of electrical hazards above so that proper precautions can be taken.
Warn employees and customers of possible danger and to keep out.
Inform visitors and sales personnel to report to the office before proceeding elsewhere.