PowerPointâs main ribbon doesnât have a button that makes a document uneditable, but you can find one that does when you know where to look. Step 1. Launch PowerPoint and open a presentation youâd like to make uneditable. Step 2. Click âFile,â then âInfoâ to view information about the presentation.
Cubic Zirconia (CZ), moissanite, etc., are diamond simulants as they look like diamonds, but have different chemical properties. Therefore, many experts argue that it is inappropriate to call simulated diamonds, 'diamonds'; they should be simply known as simulants. Simulated Diamonds - A Flashback.
Simulated gemstones have been around since ancient times. Records indicate that the Egyptians were producing a glass-like compound called faience to simulate turquoise and lapis before 4500 BC. Synthetics have only been available since 1902 when the first synthetic ruby was created in France by Auguste Verneuil.