Warning shale gas vector sign

Warning shale gas vector sign

Description

Shale gas under residential area vector sign. Color drawing of a warning sign for underground natural gas.

Categories

Signs&Symbols

License

Public domain

Specs

0.02 MB

2014-07-29

436

Source

Openclipart

Tags

clip art clipart ecology fracking oil pollution prohibited road sign shale gas water natural exploitation digging residential area gas svg red yellow black color triangle openclipart
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