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Fire-saw
A fire-saw is a firelighting tool. It is typically an object "sawed" against a piece of wood, using friction to create an ember. It is divided into two components: a "saw" and a "hearth" (fireboard). ==History== Two forms of the fire-saw have been documented in central and western Australia. One model is a split, notched stick as a hearth, and a knife-like hardwood stick as the saw. The other model makes use of the woomera weapon and defensive shield that natives carried. In the Philippines and Oceania, a fire-saw from bamboo pieces is common.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Fire-saw」の詳細全文を読む
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