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.
Less serious side effects may include: 1  nausea, vomiting, diarrhea; 2  loss of appetite; 3  muscle cramps;4  tired feeling; or.he U.S. Food and Drug Administration approved the first generic versions of Aricept (donepezil hydrochloride) orally disintegrating tablet s on Dec. 11. Donepezil hydrochloride is indicated for the treatment of dementia related to Alzheimer's d...