"When I visited Johnson Space Center, we got to watch the Mission Control people, guy explicitly said that job requires you to make exactly 0 mistakes…more specifically to the people watching over ISS."
"The clinical technicians who prepare cellular material for bone marrow transplants.
I worked at a major cancer treatment center across the hall from the lab that did this. They slipped up once and gave the cells for one patient to a different patient. Both patients died. One from being given incompatible cells, the other from not receiving their transplant in time after their radiation treatment.
Lots of pain for everyone that day. Imagine losing your job because you killed two people."
"Bomb squad expert."
“What’s it running?”
“Windows Vista.”
“We’re going to die.”
"My ex made a small miscalculation on an industrial part he was engineering for like a big crane and cost his company hundreds of thousands of dollars and they had to shut down. The part was for a high precision valve where even a fraction of a millimeter is the difference between something being perfect and absolutely useless.
As a web developer if that were the case in my industry I would be out of a job today."
"“I learn by trial and error”
-The worst parachute rigger, ever."
"Anesthesiologist. They’re some of the most highly paid medical professionals because f@#king up your anesthetic means killing you with too much, or you waking up in surgery with too little.
No matter who you are or what you did, never lie to the Anesthesiologist when they’re asking questions."
"The people who climb and repair those radio towers. my brother fell off one of the towers while working on it, his harness luckily caught him and they got him down and he was immediately fired."
"Pediatric pharmacy.
The only error my husband made in something like 10,000 scripts was nutrition. Never a medication error. He’d remember the kids by name and would question changes (typos on the doctors’ parts) because he knew the kid hadn’t gained/lost that much weight that fast. Their dosages are by weight, not age."
"My son worked for a roofing company one summer. The boss told him, “There is only one rule: If you fall off a roof you are fired before you hit the ground.”"
"Underwater welder. And they have the fatality rate statistics to prove it."
"Electrician here. Last year I had a major electrical accident and if I weren’t in my full PPE I could have been severely injured or killed. I walked away with no injuries."
"Astronaut
If you mess up in space it’s usually bad."
"Preparing a blowfish, or a chef that has to prepare a blowfish"
"I’d guess brain surgeon but I’m not 100% sure"
"Brain surgeon here. Errors are made with relative frequency, but knowing how to properly address them is very important and can be the difference between a good and poor outcome."
"I was a software dev for trading tools that were used on the stock market. You’re literally writing the code that executed millions of dollars of transactions. I’ll never do it again."
"Nuclear Missile Launch Person."
"The big red button guy."
"Working in the blood bank. Any f@#kup, even the tiniest clerical error, can cause someone to die a horrible death."
"Air traffic control. At one point, IIRC, it was ranked the most stressful job in the world based on number of decisions per minute. You’re responsible for a LOT of lives."
"The person who checks the safety harness on a bungee jump."
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In my country the only qualification to be a roofer is meth and mountain dew. Or an illegal Mexican immigrant. The Mexican crews don't mess around, they get that thing put on in no time. Same with brick layers.