| 摘要 |
A container indicator system having an internal surface and internal area for storage of materials and an external surface; and an indicator (swiveling arm, reflector, textile material, rubber, plastic, metal flag, sign) attached to the container. The indicator described is optionally a flexible material, a swiveling arm integrated with an axis and a swiveling arm without an axis, a reflector or combinations of the foregoing and even multiple combinations of the foregoing to indicate various states of the container. The indicator is attached to the internal or external surface of the container or in the case of the swiveling arm (using a mounting plate) that acts itself as an indicator a further indicator like a reflector, or flag is attached near its extreme external end. The indicator is moveable from the internal area of the container to an external area.
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