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Solar stills manufactured expense for 1 m2
| Unit | CTD ($) | CVD ($) | MSSVD ($) | MDSVD ($) |
|---|---|---|---|---|
| Iron sheet | 30 | 90 | 90 | 165 |
| Aluminum disc | – | – | 20 | 40 |
| Glass sheet | 10 | 40 | 40 | 70 |
| Ducts and support legs | 25 | 35 | 35 | 45 |
| Paint | 10 | 15 | 20 | 30 |
| Insulation (Fiberglass) | 7 | 20 | 20 | 35 |
| Production | 20 | 20 | 30 | 50 |
| DC-Motor and connections | – | – | 45 | 80 |
| Total fixed cost (P) | 102 | 220 | 300 | 515 |
