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Design parameters of the dispensing device.
| Physical Quantity or Measurand | Parameters | Units (cm) |
|---|---|---|
| Basement | Length (l) × width (w) | 20 × 20 |
| Sidewall | Length, l1, l2 | 27, 32 |
| Laser detection chamber | Height, hc | 13 |
l1 = Height of the lower part of the left and right side wall of the device from the base, l2 = Height of the upper part of the left and right wall of the device from the basement, hc = Height of the chamber where users may put their hand palms.
