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Hazard symbols may vary in color, background, borders, or accompanying text to indicate specific dangers and levels of risk, such as toxicity classes. These symbols provide a quick, universally understandable visual warning that transcends language barriers, making them more effective than text-based warnings in many situations.
The skull and crossbones has long been a standard symbol for poison. In 1829, New York State required the labeling of all containers of poisonous substances. [8] The skull and crossbones symbol appears to have been used for that purpose since the 1850s. Previously a variety of motifs had been used, including the Danish "+ + +" and drawings of ...
English: The skull and crossbones sign is a well-known symbol for poison. Español: Una calavera sobre dos huesos en cruz, es un símbolo bien conocido que indica veneno. Un símbolo similar, generalmente en blanco sobre fondo negro, también ha sido usado como bandera pirata .
Hazard pictograms form part of the international Globally Harmonized System of Classification and Labelling of Chemicals (GHS). Two sets of pictograms are included within the GHS: one for the labelling of containers and for workplace hazard warnings, and a second for use during the transport of dangerous goods.
The use of "poison" as an adjective ("poisonous") dates from the 1520s. Using the word "poison" with plant names dates from the 18th century. The term "poison ivy", for example, was first used in 1784 and the term "poison oak" was first used in 1743. The term "poison gas" was first used in 1915. [1]
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You can keep your children safer by knowing the symbols and codes pedophiles use to recognize and communicate with each other. ... Click through the see images of the symbols: Show comments ...
The following other wikis use this file: Usage on als.wikipedia.org Nicotin; Usage on ar.wikipedia.org تي إن تي (مادة كيميائية)