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Question:

class a b c and d fires differences and extinguisher type?

How are those fire classes differ from eath other and what extinguishers to use?

Answer:

Franklin discovered that static electricity and lightning were the same. He invented the lightning rod, to protect houses, barns and churches. Franklin labeled positive and negative on the battery. Franklin also improved on the franchise system. He set up a dozen printers all over the colony's. In exchange for a printing press and supplies, they gave Franklin a percentage of the gross. It made Franklin rich. Franklin was among the first to deduce the gulf stream. And the first to use it to improve the royal mail service between Britain and America.
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