Silicones are used as.

Explanation

**Step-by-Step Solution:**

1. **Understanding Silicones**: Silicones are synthetic polymers made up of silicon, oxygen, carbon, and hydrogen. They have unique properties that make them useful in various applications.

2. **Use in Construction**: Silicones are widely used in the construction industry. They are used in the production of bricks, which are essential for building structures. Additionally, silicones are components in cement and plaster of Paris, contributing to the strength and durability of construction materials.

3. **Use in Electronics**: Silicones are semiconductors, which means they can conduct electricity under certain conditions. This property makes them essential for manufacturing electronic components such as transistors, computer chips, and solar cells. These components are crucial for modern technology, including computers and renewable energy systems.

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