If you do leave your dog in your yard and the gates are not locked, you open your dog to problems from meter readers or delivery people who may be afraid of dogs. (dogtrainingbasics.com)
This dynamic program offers comprehensive training to people who regularly come into contact with dogs such as delivery people, home service providers and government workers who call at private homes. (animalbehaviorassociates.com)
They often open boxes in the presence of delivery persons so as to make sure all items are intact and not damaged. (jobdescriptionandresumeexamples.com)