Regular vacuuming helps maintain the life and lustre of a rug, and can prevent surface dirt and dust from getting deeper into the pile where it is harder to remove. Generally, a cylinder or suction type of vacuum cleaner is preferable.
In the case of wool rugs, regular vacuuming also clears up shedding. Shedding is natural phenomenon with wool rugs. It should settle after a period and will not damage the rug.
The quicker one cleans up a spill the better. Do not rub and spread the stain. Blot up the spill with a clean white cloth. Also avoid soaking the area which can extend any stain. In the case of stubborn or serious stains, a professional cleaning agency should of course be contacted.
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Here are some other views, though as these sites are outside of our control, we again cannot accept responsibility for their content: WikiHow to clean carpets.