<ul><li>IIA scientists on the Aditya L-1 mission in Bengaluru maintained an extremely sterile environment for their research.</li><li>They worked in a cleanroom 1-lakh times cleaner than a hospital ICU, wearing specialized suits and undergoing ultrasonic cleaning.</li><li>No perfumes, sprays, or medicinal sprays were allowed in the cleanroom because even a single particulate matter could have disrupted the researchers' work to prepare Aditya’s main payload -- Visible Emission Line Coronagraph (VELC), the Times of India reported.</li></ul>

Why perfumes were a big 'no' for scientists working on Aditya-L1 solar mission?

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