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HOUSE > STUDYROOM > READING > MAGNIFYING GLASS

Record number: 378
Last update: March 2005
Last update: March 2005
Editorial data: DAILY
Description:
It is important to cover the lens when it is not being used. This prevents any sunlight from scorching and setting fire to papers etc.
It is important to cover the lens when it is not being used. This prevents any sunlight from scorching and setting fire to papers etc.
ISO/SIVA codes related to this idea (click on the list items to see the other ideas related to the selected code):