There are many different commercial blenders available for purchase however, the best one for you will depend on what your primary purpose is, in buying the blender. Some blenders for instance, have high torque and special blades that are perfect for crushing ice, while others may be best at evenly blending several ingredients at once. You can find cross-comparisons of different commercial blenders by visiting a site such as blenderexpert.com: http://www.blenderexpert.com/commercial-blenders.html
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Anything with a little bit of moisture can be used in a blender. Fruits are good to put in the blender. Drinks are a great thing to make in blenders (such as frozen drinks).
A good mixer blender would be one made by Cuisinart. They are highly rated and very popular as well. She would find it very useful.
Some good recipes for a blender mixer include a berry shake and choclate malts. They are both extremely delicious.
One of the best dishwasher safe blender/chopper is the Kitchen Aid 5-Speed Metallic Blender. They are a little more expensive than the average blender but they last a long time and really take a beating.
Commerical Farming is when people farm crops and then sell them in a market.
Yes you can, but A blender isn't built for that, that is what a shredder is for but if you put a paper in there is a possibility that your blender would get stuck and break, or worse case scenario your blender would jam make a spark, and set the paper on fire and then the rest of your house is doomed, So its not a very good idea:)
You are thinking of the Waring blender, which is a brand of blender.
to create a puree or pulp out of a fruit or veg.
The commerical unit (or trade unit)of energy is kilowatt-hour.
The best place to looking at different blender options is online at amazon.com or at your local Target or Walmart. They should have a good combination available to view and purchase.