Ligne 7 : | Ligne 7 : | ||
# Baking the filters in an oven - to complete dehydration and vitrification | # Baking the filters in an oven - to complete dehydration and vitrification | ||
# Flow tests for each filter - for validation or downgrading | # Flow tests for each filter - for validation or downgrading | ||
− | # Colloidal silver painting on the surfaces of each validated | + | # Colloidal silver painting on the surfaces of each validated filter |
− | filter | ||
# Package filters | # Package filters |
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