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unique frequencies of sound are best reproduced by speakers that are optimized for those frequencies, so hefty bass is best in a big “woofer,” whilst piercing highs are reproduced most precisely by smaller dome “tweeters.” If your car ended up full of mid-variety speakers that could only Engage in frequencies among 200-2,000 Hz, you’d sk

Led a palms-on fire extinguisher education session for employees of the manufacturing plant. shown right use approaches for many forms of extinguishers, outlined fire response protocols, and executed simulated fire eventualities to equip participants with the know-how and self-assurance desired to reply efficiently to office fires. Started in 1913