A coated abrasive article includes a backing and fused alumina-zirconia abrasive grains attached to the backing with a binder. A browsing history database is created by intercepting browsing events from the browsing program, the database including browsing starting locations and links to associated browsing target locations reached by the in the browsing. The diseases treatable by the invention include cancer, autoimmune disease, sepsis neurodegenerative disease, myocardial infarction, stroke, ischemia-reperfusion injury, toxin induced liver injury and AIDS. Systems such as these may be useful in various applications, including pumps and drug delivery devices, for example. At this time, HCl or the like is added to the atmosphere.