Open Access
Table 2.
Intervals and levels of variation of factors studied in substantiating the type and quantity of mechanical cleaners
| Name and designation of the factor | The number of supplied cleaners N, pcs | Type of cleaner | |
|---|---|---|---|
| Designation of factors | x1 | x2 | |
| Factor Variation Levels | number of levels | 6 | 3 |
| accepted values | 1 2 3 4 5 6 |
1‐ Foam Wad 2‐ Mechanical cleaner with a foam cleaning surface 3‐ Mechanical cleaner with the bristle cleaning surface |
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