An accurate and cheap method for making all kinds of satellite dishes and solar dishes and...

Making a satellite dish. Making a solar dish. Making a sound dish. How to make solar dish
The simplest and most accurate method of making symmetrical concentrators.
The method of making a solar dish with a long life.
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To make a flat dish, refer to the following address
• The method of creating...
To make another example of a solar dish, refer to the following address
• How to make a solar co...