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The hollow morphology of bamboo associated with the nodes uniformly distributed along the stem increase its resistance (flexibility). The form of pole reminds wave formed by bellies and node for which the optimal equilibrium lies on the longitudinal axis.
Bamboo is lightweight (for most varieties).
Its longitudinal strength is far superior (at equivalent diameter) to that of steel. The compounds of glass fiber reaching records in this category illustrate the potential of fiber materials.
The outer wall is protective.
One of its eco-biological resistance is based on a principle common to the Internet: the mesh network.
Internet is designed to keep on working even though a specific link is destroyed, allowing messages to pass through other links in the mesh. The vitality of the bamboo field follows the same principle.
The bamboo has strong advantage in humid countries where the cost of metal is high (e.g. aluminium) or prone to rust (steel).
Bamboo resists better, on average, than the wood, to water solvance.
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