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.
The examples above shows the Lead Glass Filled Ruby or Composite Ruby. By looking through the loupe, with the ruby in front of a light, you can see the bubbles that are in the glass. This is created in the glass as it cools. Another thing to look for in the reflected light are lots of intersecting lines looking something like a spider web or a fingerprint where the glass is holding things together.