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.
Propolis has been used as a medicinal agent since ancient times. It was used in folk medicine as early as 300 BC for cosmetic purposes, inflammation, and wound healing. It has been used internally and externally and is believed to kill bacteria, viruses, and fungi, to possess local anesthetic, antiulcer, and anti-inflammatory properties, and to lower blood pressure and stimulate the immune system.