1. Toxic - a picture of a scull 2. Flammable - a picture of a flame 3. Corrosive - two test tubes with liquid spilling on an hand and a bench 4. Radioactive - a picture of the nuclear symbol
It is not known where the symbols in the Egyptian system were - probably in the minds of their mathematicians.
Yes, Hindu-Arabic system have only 9 symbols.
The basic symbols are I,X,L,C,D&M
Yes, it employs positional notation. It forms the basis of our decimal system, replacing the original Arabic symbols with Latin symbols.
Hazchem is a warning plate system that is commonly used in Australia, Malaysia, New Zealand and the United Kingdom. It is used for vehicles transporting hazardous substances, as a warning sign.
Hazardous chemicals
Caustic Soda Liqour
1. Toxic - a picture of a scull 2. Flammable - a picture of a flame 3. Corrosive - two test tubes with liquid spilling on an hand and a bench 4. Radioactive - a picture of the nuclear symbol
I think it might be 2
Corrosive
A system of symbols and rituals can be defined as a religion. Different symbols and rituals are used in the various religions that are found in the world.
It is not known where the symbols in the Egyptian system were - probably in the minds of their mathematicians.
As i am doing a cert 111 in transport and logistics, I think the best way to find the info is going to this link: http://en.wikipedia.org/wiki/Hazchem i found this page a good source of information
There are 16 symbols.
Yes, Hindu-Arabic system have only 9 symbols.
The hazchem symbol is a diamond-shaped sign that is used to indicate the presence of dangerous goods. It features a unique code and color that helps emergency responders identify the type of hazard present in a transportation or storage situation.