It is important to know all the tools and equipment you will be working with. knowing how to work with the tools and being able to troubleshoot problems will make you a very efficient worker.
I believe the message is to help others no matter how harsh the situation is.
The poem focused on the cold whether that experienced by the narrator and a dog.
Despite his initial reluctance, the narrator eventually let the dog inside the house because he's worried about his condiiton.
Nothing, you still play it the same way
