Trident Block

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Trident Blocks (Chinese: Y型大廈)^[1]，sometimes referred as TR，is a three-wing design. Trident blocks are split into four types, which are Trident 1, Trident 2, Trident 3, and Trident 4. They are mostly built between 1984 and 1992. Most Trident blocks are used as public housing or Home Ownership Scheme estates.