Mengupas Syair: "Jentera" seperti yang dipersembahkan oleh a L i. Adhicipta (M) Sdn Bhd. Semua Hakcipta Terpelihara. Artwork/XHTML © 2008 Troka Estate. [All Rights Reserved]

Saturday, July 19, 2008

1966


In 1966 the the Dow Chemical company developed the Biohazard Symbol for their containment products. Charles Baldwin, an environmental-health engineer who contributed to its development explained, “We wanted something that was memorable but meaningless, so we could educate people as to what it means.” Biohazard Symbol History

No comments: