The most popular color is yellow which is made by adding silver and some copper. The metals are melted together to form an alloy of the desired color and karat. It is very important that all the ingredients are pure and that the amounts of each are weighed very accurately to prevent porosity, which weakens the alloy.

The most popular color is yellow which is made by adding silver and some copper. The metals are melted together to form an alloy of the desired color and karat. It is very important that all the ingredients are pure and that the amounts of each are weighed very accurately to prevent porosity, which weakens the alloy.

The most popular color is yellow which is made by adding silver and some copper. The metals are melted together to form an alloy of the desired color and karat. It is very important that all the ingredients are pure and that the amounts of each are weighed very accurately to prevent porosity, which weakens the alloy.

The most popular color is yellow which is made by adding silver and some copper. The metals are melted together to form an alloy of the desired color and karat. It is very important that all the ingredients are pure and that the amounts of each are weighed very accurately to prevent porosity, which weakens the alloy.

Eating clean is a great way to up your intake of good-for-you foods (like whole grains, lean protein, healthy fats and plenty of fruits and veggies) while limiting or excluding the stuff that's not-so-great (think refined carbs, alcohol, added sugars and hydrogenated fats).

Eating clean is a great way to up your intake of good-for-you foods (like whole grains, lean protein, healthy fats and plenty of fruits and veggies) while limiting or excluding the stuff that's not-so-great (think refined carbs, alcohol, added sugars and hydrogenated fats).