Stone: strengths:-good strength, durability Weaknesses: the volume of a large volume of complex machining,Wood: strengths: wiry, strong links have the aesthetics Weaknesses: termites, rotIron: strengths: good strength, durable, hard, Weaknesses: vulnerable to corrosion, oxidationDiameter: strengths: ability to grab breakfast and prevent wind, dustPoor: poor bearing point, fragile
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