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Synthetic Wood substitutes

wood has hollow cells (cellulose) and fibres which allow it to take and hold nails well because the cells collapse to receive the nail and then the fibres prevent the nail from being pulled out. synthetic wood with hollow cells that collapse and resin/fibrous properties have been made; these new materials also can withstand high temperatures, so they have been used to make defusing tents for bombs, being both resistant to heat and also taking wood's ability to absorb high impact from shrapnel.