I believe the two primary keys for successful weight management are severely restricting carbohydrates (sugars, fructose, and grains) in your diet, and increasing healthy fat consumption. (articles.mercola.com)
While one could be used to generate primary keys, the other could be used to perform recovery on the first device. (coinscage.com)
Your pupils will LOVE doing these creative activities and they can be used at Primary Key Stage One, Key Stage Two or Secondary Key Stage Three or even Key Stage Four. (tes.com)