| 摘要 |
An arm scale apparatus includes a casing shaped to fit partly around a person's arm and having a casing strap attached to the casing and having a fastener thereon for strapping the casing to a person's arm. A display on the casing is positioned to face a person having the casing attached to the person's arm. A tray coupling platform is mounted on top of the casing positioned for removably mounting a tray thereto in a position for holding materials to be weighed therein while the casing is mounted to a person's arm. A tray is removably attached to the tray coupling platform.
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