In a well - ventilated area, spray the Looking Glass paint directly into the opening of the ornament, swirling so that the paint coats the enter inner surface of the ornament. (positivelysplendid.com)
Once the butter has melted remove the pan from the heat and roll the pan to coat the entire inner surface. (butterforall.com)
The experimental test uses a plastic chip whose microscopic inner surfaces are covered in antibodies to grab cancer cells from the blood. (npr.org)