In addition, she has said that the Disney toys, which are made in China, are " cleverly engineered to barely pass the choke tube test " of the Consumer Product Safety Commission.
12.
The cause of the loss of " Thetis " was also used in the 1968 film " Ice Station Zebra ", where the character played by Patrick McGoohan describes a method of sabotaging a submarine by blocking the tube test cocks, allowing the inner door to be opened with the outer door also open.