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🔺 Giàn mái

Một khung gồm các hình tam giác được sử dụng để bắc ngang những khoảng cách lớn.

Giàn mái

A truss is a framework of triangles used to span large distances. The triangle is the key. It is the only polygon that cannot change shape without bending its sides. Arrange triangles in a row or a web, and you get a structure that is strong, stiff, and light. Trusses are used in roofs, bridges, and floors. In the kitchen, the closest equivalent is the trivet. It is a framework. It is a stand. It holds the pot. It is not a truss. But it is a frame. It is the truss of the kitchen. It is the truss of the cook.

Trusses come in several types. A king post truss has a single vertical post. A queen post truss has two. A Howe truss has diagonals in compression. A Pratt truss has diagonals in tension. A Warren truss has alternating diagonals. In the kitchen, the trivet is a simple frame. It is a stand. It holds the pot. It protects the table. It is the truss of the kitchen. It is the truss of the same.

Trusses are efficient. They place material where it is needed. They remove it where it is not. In the kitchen, the trivet is efficient. It is small. It is simple. It does the job. The truss is the structure. The trivet is the structure. Both are the same. The same is the kitchen. The kitchen is the truss. The truss is the cook. The cook is the truss. The truss is the same. The same is the meal. The meal is the truss. The truss is the same.

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