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1,1-Difluoroethane, or DFE, is an organofluorine compound with the chemical formula C 2 H 4 F 2.This colorless gas is used as a refrigerant, where it is often listed as R-152a (refrigerant-152a) or HFC-152a (hydrofluorocarbon-152a).
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Unlike the other status codes above, these were not sent as the response status in the HTTP protocol, but as part of the "Warning" HTTP header. [56] [57] Since this "Warning" header is often neither sent by servers nor acknowledged by clients, this header and its codes were obsoleted by the HTTP Working Group in 2022 with RFC 9111. [58]
This is because some of the parameters are less optional than in user warning templates, and they happen to be at the end. The signature should always be used; although there's an auto-signature as default value, it converts the username link to plain text (i.e., [[User:Pathoschild|Pathoschild]]).
The sign is not to be confused with the fallout shelter identification sign introduced by the Office of Civil Defense in 1961. This was originally intended to be the same as the radiation hazard symbol but was changed to a slightly different symbol because shelters are a place of safety, not of hazard.
Warning label on a cigarette pack: "Smoking kills". Warning label for a personal watercraft. Warning label for toxic chemicals. A warning label is a label attached to a product, or contained in a product's instruction manual, warning the user about risks associated with its use, and may include restrictions by the manufacturer or seller on certain uses.
Charging a 12 V lead–acid car battery A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it.
a signal word – either Danger or Warning – where necessary; hazard statements, indicating the nature and degree of the risks posed by the product; the identity of the supplier (who might be a manufacturer or importer) Each precautionary statement is designated a code, starting with the letter P and followed by three digits.