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Performance and efficiency data
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1. Ice-cubes : Each flask filled with ice-cubes, lid on.
| MODEL |
RESULT |
| S1 |
After 3 days (72 hours) - 50% cubes remain |
| S2 |
After 4 days (96 hours) - 50% cubes remain |
| S3 |
After 6 days (144 hours) - 50% cubes remain* |
| * Remaining cubes strained through seive and volume measured. |
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2. Hot water, coffee / hot soup : each flask 90% filled, lid on.
Graph showing actual measured temperature of contents vs time.
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