prohibition sign design characteristics are governed by regional and international standards. The symbol’s canonical definition comes from the International Organization for Standardization which published ISO 3864-1 in 2002, a revision. read more…
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Prohibition Sign
prohibition sign design characteristics are governed by regional and international standards. The symbol’s canonical definition comes from the International Organization for Standardization which published ISO 3864-1 in 2002, a revision. read more…
Continue Reading