On one workbench wires pour out of a metal container the size of two shoe boxes.

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The second bomb was also housed in a metal container, but it was not clear whether it too was in a pressure cooker, the FBI said.

CNN: Sources: Possible suspect sought in Boston bombing

The second bomb was also housed in a metal container, but there's not enough evidence to determine whether it was also in a pressure cooker, the agency said.

CNN: Boston Marathon attack: More details, more questions

Another strong buy from Marketocracy is an Ohio-based, metal and glass container company that specializes in containers for soft drinks, wine, beer, tea, juice and pharmaceuticals.

FORBES: Magazine Article

Keep seized phones in metal-plated Faraday bags or other radio-frequency-shielded container until their data can be copied.

FORBES: LulzSec Hack Reveals Cops' Least Favorite iPhone Apps