왜 I focused on이 아니라 I'm focused on인가요? 아니면 I'm focusing on은 말이 안되나요?16oz. Brush PreservativeGood for all types of brushes.  Is made up of no destructive acids and is also environmentally friendly.You will also find brush preservatives for water-dependent and acrylic paint brushes, but they dry out swiftly.For th