Sentence:  "What do you do about dogs that don't like <WSD>Hoovers</WSD>?" ... At the first opportunity place the <WSD>Hoover</WSD> in the area where your dog is lying calmly, and since it is normally the noise that sends it into those fits of anger, it should be unconcerned with a silent machine. Continue to place the <WSD>Hoover</WSD> in those areas that your pet is relaxing until it is familiar with the <WSD>Hoover</WSD> being in such close proximity. ... By continuing to distract your pet each time the <WSD>Hoover</WSD> is switched on but stationary, you should be able to move it a little closer without causing your pet any alarm. 
Meaning of the word marked with <WSD> tags:  A vacuum cleaner, irrespective of brand.