CURB-65 is a BTS recommended severity rating for community acquired pneumonia (CAP) and should not be confused with the ABC criteria defined in the flow diagram. Patients with a CURB-65 score of 3 or more are at highest risk of death and should be managed as having severe pneumonia.
Blot out spills as soon as they occur. Due to the porous nature of slate, it is best not to wipe spills on countertops. When wiped, the fluid spreads which creates and spreads stains on your countertop. Clear stains on your slate with a poultice meant for natural stone countertops.
Acid stains form the color on the surface of the concrete. Smooth, dense, high quality concrete, which is very typical in concrete countertops, is not very porous. Acid stain color does not penetrate very far into the concrete. Typically it is only a few thousandths of an inch deep.