You Had One Job
These workers miscalculated how much room they'd need to transport this sheet of glass. If only they'd measured beforehand, they'd realize the glass was too long to fit in the elevator. It shatters as the doors shut, meaning the crew was probably fired.
A Miscalculated Pranke
This kid wanted to play a joke on his dad that went all wrong. He tried to trigger the motion sensor so the doors would open so his dad could get in after him, but instead, the umbrella jams the doors and the elevator derails. He was trapped inside alone for hours. He'll definitely never do that again.