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Light whose height can be adjusted so that it is easy to switch the bulb.
Changing bulbs in house or office can be difficult and inconvenient because of the height of the bulbs. Usually, people climb on ladders or desks in order to change light bulbs. This is not only very inconvenient but also prone to accidents, especially for old, disabled, or short people.
This light makes it easier to change light bulbs by allowing people to adjust the height of the light using tools. Additionally, you can easily control the intensity by adjusting the height of the light.
Cheonan-si, South Korea