They say that you can’t teach an old dog new tricks, but it appears that you can teach them to weld even if they don’t have opposable thumbs.
Alas, the American Welding Standards was found to not be strict enough with its guidelines and has officially certified dogs Robert Dash, Henry Wolfe, (both pictured below), Adam Barker, a dead person and a cat as structural welders. This comes despite the fact that applicants are supposed to demonstrate their skills in person and show some photo ID.
You can also teach dogs to smell faeces, not that many always need asking twice.
Train, a Chesapeake Bay retriever, sniffs out the poop of elusive wild animals like jaguars and oncillas in the name of conservation having failed in a career sniffing out narcotics because he was too energetic.
His hyperactivity is actually a great characteristic for his new work in Argentina, where he can help his researcher Karen DeMatteo identify the habitats of these rare species.
You might not be able to teach an old dog new tricks, but why do you need to when they’re so good at the ones they already know?