Utiliser "activators" dans une phrase

1. These fertilizers are a unique blend of rock powders and activators that are untreated, therefore, they contain secondary nutrients (calcium, magnesium and sulfur) plus many trace elements

2. As activators of slag and fly-ash binders are used anhydrous lime, calcium sulphate hydrate or hemihydrate are used

3. or activators, that aid in the metabolizing of fats

4. Thus, SK activators were only effective in modulating