Sound can either be pleasing or distracting. Musical instruments such as piano creates sound that is soothing to the ears but loud noises from on-going construction site can be very annoying. Most of the construction workers often use noise-cancelling headphones when operating loud machinery to protect their ears. Explain the process of this device
Sound can either be pleasing or distracting. Musical instruments such as piano creates sound that is soothing to the ears but loud noises from on-going construction site can be very annoying. Most of the construction workers often use noise-cancelling headphones when operating loud machinery to protect their ears. Explain the process of this device
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1. Sound can either be pleasing or distracting. Musical instruments such as piano creates sound that is soothing to the ears but loud noises from on-going construction site can be very annoying. Most of the construction workers often use noise-cancelling headphones when operating loud machinery to protect their ears. Explain the process of this device.
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