Corrected entry: An electromagnet is used to pull a metal lever on the other side of a metal door. The metal door would shield the lever, making this impossible.
GalahadFairlight
17th Sep 2005
17th Sep 2005
Corrected entry: An electromagnet is used to pull a metal lever on the other side of a metal door. The metal door would shield the lever, making this impossible.
Correction: Not so. The door is typically made of stainless steel for this type of environment, durable and easy to clean. And also; not magnetic.
GalahadFairlight