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Though were conscious of lead has some toxic properties, sadly, people in early times was without any clue that their makeup or cosmetics were slowly poisoning them. Furthermore, in the relics of Babylon, experts had unearthed white lead that's probably applied as a foundation to make the face area look lighter or whiter. The Greeks were also found to possess been using the white lead for the mere function of enhancing their skin tones. The Walter Kindle Company first invented the fractional co2 extinguisher in 1924 with the request in the Bell Telephone Company. Bell had been having difficulty locating a dry chemical extinguisher which could effectively extinguish the electrical fires that sometimes broke out on early telephone switchboards. The CO2 proved particularly efficient at controlling electrical fires, in addition to their popularity quickly grew during the entire industrial sector.