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The most useful message you can send is a correction.

Reporting a wrong figure

Say which page and which row.
Include a link to the correct source, such as the manufacturer's specification page.
For running-cost figures, a link to the tariff or price you are comparing against is ideal.

Tell us the machine or grinder and link its official specification page. We add products whose makers publish real specifications.

If we have misread your specification page, or your product has changed, send the current document and we will update the record and its date.

We read everything but cannot give one-to-one buying advice.