Answer:
pneumonoultramicroscopicsilicovolcanoconiosis is a type of lung disease that is caused by inhaling small particles of dust or ash.
It needs a aperture, compound lens, a photosensitive plate or paper, and a included box for the photosensitive paper to not get exposed by other light sources or a box that is black covered inside and out to not reflect any other light other than what comes thru the aperture or the shutter to precisely capture a amount of light to expose the film properly and not over or under expose it.
Are talking about on a piano?
Answer:
Analogous, complimentary, triad, or tetradic
Explanation:
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