リソース タグを付けた: Grinder
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2010/01/01 This treadle grindstone can spin a 6” abrasive wheel (of the type used on electric tool grinders) at up to 3000 rpm by means of a single treadle operated by the person using the grinder. Although rotational speed is similar to electric grinders, power is lower therefore short or light grinding...
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Formerly Compatible TechnologyInternational (CTI) We believe that a world without extreme poverty is entirely possible, and for us, it starts with providing tools for communities that are traditionally overlooked by mainstream engineering. We design tools in collaboration with smallholder farmers...