The left ventricular ejection fraction (LVEF) test rate is increasingly used as a quality of care indicator for pa-. tients with heart failure. Our study produced benchmark LVEF test rates in a Medicare fee-for-service.
Toluene is a very good solvent because, unlike water, it can dissolve many organic compounds. In many commercial products, toluene is used as a solvent that is present in paint thinners, nail polish remover, glues, and correction fluid. Toluene has many uses in different industries.
You can buiy sulfur cheap at most drugstores or agrocultural supply stores, as it kills fungus well, and is used as snake repellent. Toluene is a common solvent for rubber cement, which is a solution of rubber in solvent. Mixtures of Toluene, Xylene, hexanes, and such are all used.