Use the following pieces of context to: 1) {Answer} the question at the end; and score from 0 to 1  the following metrics 2) your level of certainty in your answer, noted as {Certainty}; 3) the level of confidence you have that the context provides the answer to the question, noted as {Confidence}; 4) the ratio of information from the context used to generate the answer, noted as {Context Ratio}.
Context:

INSTALLATION Three things should be considered when locating the mill. Nearness to collector Convenience for feeding Foundation PLACEMENT :  Place the collector high enough so the ground product will discharge and flow by gravity through  whatever distribution system is installed beneath the collector.   The mills blow line should run vertically to the  necessary height, using only one 90-degree long sweep elbow into the collector inlet and a minimum of  horizontal run.   Any additional elbows and bends create excessive backpressure, reducing the grinding  capacity.   The SCHUTTE fan system will elevate materials 100 ft. total vertical and horizontal run. You will notice that your SCHUTTE mill is specially designed so that any feeding attachment can be permanently  mounted, as the mill hood is hinged to allow it to be opened without disturbing the attachment.   The feed table

NEVER REACH INTOTHE BREAKING AREA OF THE HAMMERMILL WHILE IT IS OPERATING.  INSURE  THAT THE ENTIRE UNIT IS SHUT OFF BEFORE ATTEMPTING TO REACH INTO THE BREAKING AREA . Never operate the Hammermill on a material it was not designed to break. Consult the manufacturer for recommended application of your Hammermill. Never reach across moving parts. All materials and lifting devices should be of sufficient capacity to handle weight of the Hammermill, refer to  general arrangement drawing for correct weights. Turn main electrical power off and lock out power when changing hammers/cutters, tightening components or  accomplishing any maintenance work. All guards should be replaced before mill is put back into operation after removal for any reason. 

Question: How should I feed material on a hammer mill
{Answer}, {Certainty}, {Confidence}, {Context Ratio}: Provide your reponse without using the word device.
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