In digital marketing, the term âinterstitialâ is often used in the sense of âinterstitial advertisingâ, rather than âinterstitial webpageâ. In some cases, this may lead to confusion because interstitial ads are not always served on interstitial webpages.
Clean natural paint from brushes. 1  Natural paints do not require any special treatment. 2  Simply rinse the paint brushes in the sink or a bucket. 3  Waste water from the buckets may safely be poured onto the ground or down a drain.
These processes apply to the dirty water that is created when painting with. watercolor, gouache and acrylic or when using glue in a mixed media project. Oil. painters will not pour pigments or solvents into the sink and will dispose of their waste. by removing it from the site.