The active carbon layer is a coconut husk granule active carbon layer.

该活性炭层为椰壳颗粒活性炭层。

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"Then we would dry the coconut husk and eat that too," he said, adding they also occasionally were able to catch crabs.

“最后，我们还要把椰壳也晒干，吃下去。”他又补充道，偶尔也抓到过几只螃蟹。

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Our next stop is coconut plantation - visitors will see how a simple coconut tree can be utilized into many useful items eg. Coconut husk, coconut milk for cooking and so forth.

我们的下一站是椰子园—我们将亲眼见识到人们是如何利用一棵小小的椰子树去生产众多的产品的，比如椰壳、椰奶等等。

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All of the books, cards and paper are handmade using natural fibres such as flowers, sugar cane, banana leaves, cactus and coconut husk.

BBC: Through Mexico��s Mayan heartland