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hu jin posted a new blog entry:
A bit of history
The first mention of Safety rubber boots can be attributed to Caesar. It was at this time that you had to wear shoes that would protect from moisture to the top of sandals. These products were bags impregnated with a certain water-protec... - hu jin posted a new blog entry: Rubber is known for protecting people against electrical shock - hence it is invaluable in the workplace, where employees wear rubber boots and gloves. Rubber possesses this protective property because it's an insulator, meaning electricity doesn't flow t...
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