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They magnify extremely small objects, many too small for the eye to see otherwise. They can be used to examine crystals, cells, bacteria, and computer chips, and can aid in delicate surgery.
Audio aids, as the words indicate, are things that you can listen to or hear (sound) that help (or aid) you in learning. For example, if you are studying a language, listening to a song in that language is an audio (or sound) aiding/helping you. In classrooms, teachers use things that produce sounds, music, songs, conversations, documentaries, etc. to make learning easier. Furthermore, an audio aid (hearing aid) can also be a device that helps you hear better. In other words, the device aids your auditory system (your sense of sound) receive the sound. JV
the fart
To instigate or encourage by aid or countenance; -- used in a bad sense of persons and acts; as, to abet an ill-doer; to abet one in his wicked courses; to abet vice; to abet an insurrection., To support, uphold, or aid; to maintain; -- in a good sense., To contribute, as an assistant or instigator, to the commission of an offense., Act of abetting; aid.
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the devices to overcome the limitation of sight is like binocular ,b telescope, microscope and magnifying glass, while the devices to overcome limitation of hearing is hearing aid
The tongue pushes down food (already moistened by saliva) into the Oesophagus.
how are boolean connectors used to aid in research
The primary senses used in learning are sight (vision), hearing (auditory), touch (tactile), taste (gustatory), and smell (olfactory). These senses help individuals gather information from the environment, process it, and make connections to aid in learning and memory retention.
what is a whistle used for in first aid
When it's an adjective, as in first-aid room, first-aid equipment etc.
Its reliance on foreign aid