There are two key standards – NFPA 70E and NFPA 70B – that provide essential guidelines for electrical safety and maintenance practices that can significantly enhance worker safety and the reliability ...

The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text.

It’s been 15 years since the global effort to ban conflict diamonds began. But the industry is still tainted by conflict and misery Story by Aryn Baker/Tshikapa Photographs by Lynsey Addario for ...

This course covers how to describe diamond jewelry accurately for effective and ethical sales conversations with customers. Key topics examined include the internationally accepted GIA clarity grading ...

The man-made diamond boom is over, and prices for ultra-trendy lab-grown diamonds are set to tumble this year, industry veterans say. Paul Zimnisky, a leading diamond analyst, foresees jewelers ...

Lab-grown diamonds are known by several different names, including synthetic diamonds, man-made diamonds, and cultured diamonds. They have the same physical properties of natural diamonds because ...

Dan Diamond is a national health reporter for The Washington Post, focused on accountability, federal agencies and public health. He joined The Post in 2021 after covering the Trump administration ...

Learn more about it. When it comes to choosing an engagement ring, diamonds still remain the most common stone. Indeed, it seems that people still agree that nothing says forever quite like a diamond.

Tin(IV) sulfide is a compound with the formula Sn S ...