If a flexible screw is being used to convey the silica sand, it is important to use a screw that matches the silica sand's characteristics and other application requirements. Generally a screw with a round profile will be effective in moving a material with silica sand's features.
USES: Donepezil is used for the treatment of mild, moderate, or severe dementia associated with Alzheimer's disease. increased frequency of urination. stomach ulcers. MORE SERIOUS SIDE EFFECTS: Tacrine (Cognex), another anticholinesterase medication used in the treatment of Alzheimer's disease, is associated with liver toxicity.
Talk with your doctor about the benefits and risks of taking this medication. USES: This medication is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as atrial fibrillation / flutter). It is used to restore normal heart rhythm and maintain a regular, steady heartbeat. Dofetilide is known as an anti-arrhythmic drug.