1 In Data Tools, click Data Validation, and then click Data Validation. 2  In the Input message tab, check Show input message when cell is selected. 3  In Title, enter a title for the pop-up window. 4  In Input Message, enter the text you want to appear in the pop-up window.
Melamine resin contains melamine in a manner similar to table salt containing chlorine. While melamine is dangerous to ingest, melamine resin is not. Melamine is the chemical that has been contaminating pet-food lately. Melamine resin is the thermoplastic from which plastic-ware, counter-tops, etc are made.
melamine \mela*mine\ (m[e^]l[.a]*m[=e]n) n. (Chem.) A nitrogenous strongly basic chemical substance (C3H6N6), structurally 2,4,6-triamino-1,3,5-triazine, produced from several cyanogen compounds, and obtained as a white crystalline substance; -- formerly supposed to be produced by the decomposition of melam. Called also cyanuramide.