Final answer:
The statement that warning systems for mobile equipment include barricades, hand signals, and stop logs is true. These safety measures are crucial for the safe operation of mobile equipment and for communicating risks effectively. Examples from tollbooth operations to traffic signal installations demonstrate the importance of such safety protocols.
Step-by-step explanation:
The statement regarding warning systems for mobile equipment which includes barricades, hand signals, and stop logs being components of such systems is true. These methods are part of a broad range of safety measures used to control and communicate risks in areas where mobile equipment is operating. Barricades are physical barriers designed to prevent unauthorized access to dangerous areas. Hand signals provide clear communication between equipment operators and ground personnel where noise may impede verbal communication. Stop logs are used to halt equipment safely and prevent it from moving unintentionally. For mobile equipment operators, understanding and properly using these warning systems is crucial for safety and preventing accidents.
For instance, tollbooth stations use a wire to signal the approach of a car, akin to other warning systems designed to alert both drivers and tollbooth operators. Similarly, in a laboratory, knowing the location of safety equipment like fire extinguishers and eyewash stations is part of having an effective warning and safety protocol. The need for clear signaling methods is evident also in road safety, where the installation of a traffic signal at a busy intersection can significantly reduce the risks for pedestrians and motorists alike, as indicated in the model cause-and-effect paragraph.