| 摘要 |
An illumination umbrella includes a raft, a cloth, fixtures, light tubes, and a power supply. The raft has a hook to hang the power supply thereon. Each fixture is secured on a skeleton of the raft to hold a respective light tube. The light tubes are made of acrylic material with air bubbles therein. The light in the light tubes will be reflected by the bubbles in the light tubes to shine the direction underneath the umbrella.
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