So, what if Ruin couldn't find the storages on his own because of the metal shielding them?

In 2001, Fusion Lighting agreed to install metal shielding around their lamps to reduce electromagnetic emissions by 95%.

It was later found that metal shielding placed around the wiring helped to prevent this problem.

See if they all have metal shielding.

I was able to detect its metal shielding and then its radiation.

Workers in the scrap metal industry are the most likely to encounter these since they are generally enclosed in metal shielding.

"Do you have any guarantee that they didn't surround the entire complex with that black metal shielding?"

Ralph takes the idea of using armour further and fashions a tank out of a cannon, some metal shielding, and a unicycle.

It was a cube-shaped object, encased in some kind of metal shielding.

The metal shielding walls seemed to catch the rays of the sun and bring them to a focus there.