When the design involves public safety, the design engineer is usually required to be licensed , for example, a professional engineer in the U.S and Canada  . There is usually an "industrial exemption" for design engineers working on project internal to companies and not delivering professional services directly to the public .
When an engineering project involves public safety, design engineers involved are often required to be licensed - for example, as a Professional Engineer ( in the U.S and Canada ) . There is often an "industrial exemption" for engineers working on project only internally to their organization, although the scope and conditions of such exemptions vary widely across jurisdictions .
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the design
an engineering project
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the design engineer is usually
design engineers involved are often
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,
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a professional engineer
as a Professional Engineer (
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)
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usually
often
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design
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internal to companies and not delivering professional services directly to the public
only internally to their organization, although the scope and conditions of such exemptions vary widely across jurisdictions