There is no symbol for "never taste or smell an unknown substance" because that is a universal precaution that everyone should be taught.
it is NO
NaOH is the chemical symbol for the compound sodium hydroxide, which is a strongly alkaline substance also known as lye.
nothing
H2O
element
it is NO
Anything that is marked with the safety symbol for an explosive should be treated with care because if mistreated it might explode.
The safety symbol means that some material or condition will bring danger to you or others, if you don't use it in the right way.
Its because radiation is used in science
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The oxidizing hazard symbol means the substance has the ability to react with oxygen, usually dangerously.
NaOH is the chemical symbol for the compound sodium hydroxide, which is a strongly alkaline substance also known as lye.
Not everything has a symbol for it. The concept of fume safety, if it is a concept, does not have a specific symbol.
no
The owl is often used as a symbol for eye safety.
An unknown number represented by a letter or symbol is a variable.
The symbol for MSA Safety Incorporporated in the NYSE is: MSA.