Quote:
Originally Posted by Alan Anderson
A single "Robot!" shouted by the person pushing the cart is coming from the wrong place. In order to warn the ones in front of the cart it has to be very loud. It gets the attention of a lot of people. The majority of those people are not in the way. Such an action adds a lot more noise than it does safety.
The person doing the warning should be in front of the robot, not behind it. With that arrangement, the volume required to alert the people who need to be alerted should not need to rise to the level of a shout. Anyone in the way who doesn't react to a loudly spoken "excuse us, robot coming through, please watch out" is going to be close enough for the vanguard to touch the person on the shoulder or arm and get their attention without shouting.
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Shouting robot loudly is going to get the attention of more people than it needs to. Possibly taking their attention away from something that might have been more important than a robot that isn't near them.