Fresh concrete is perishable and will lose quality if it sits in the truck too long. ASTM C 94, Standard Specification for Ready Mixed Concrete, says that concrete should be discharged within 90 minutes and before 300 revolutions of the mixer after water has been added to the cement.
You can prevent cavities. Minerals in our saliva, such as calcium and phosphate, along with the protective fluoride that we can get from fluoride toothpaste or a fluoride rinse or in some cases from fluoridated tap water, can repair minerals and protect them from acid damage.
Gluten-Free Product of the Day. If you are looking to have a cleaner and fresher mouth, try the gluten-free Listerine Zero Mouthwash. It has proven more effective at killing bad breath germs, without the alcohol, and the clean mint flavor will keep your mouth feeling cleaner than ever.