x-ray

There has been a change in security policy at American airports. The Transportation Security Administration (TSA) is allowing laptops to be left in specially manufactured laptop cases and x-rayed taken with the laptop in those cases:
“…Passengers who have what the Transportation Security Administration calls “checkpoint-friendly” laptop cases — so-called because X-ray machines can easily [...]

The airport security regulations differ slightly from terminal to terminal within a country. They may vary vastly from country to country. One of the precautions of air travel with the laptop is safeguarding it, as the machine passes through airport security.
At some security checkpoints, the personnel will allow you to request a hand [...]