| 摘要 |
The package (1) is made from an outer layer of a combustible material (2) and contains two layers of fuel (3, 4) separated by a perforated and combustible layer (9). The lower layer (C1) is made up of paper and small pieces of wood together with an ignition agent (6) while the upper layer (C2) contains the charcoal or similar. The material for the packaging is selected from cardboard, wood, netting or paper. Where a cardboard box is used it can have perforated flaps in the sides and top to make air holes.
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