tion. Each of these factors might stand alone as a root cause, and each should be repaired.
                                    </p>
                                </dd>
                                <dt id="node-and-machine">
                                    Node and machine
                                </dt>
                                <dd>
                                    <p>
                                        <a data-type="indexterm" data-primary="machines" data-secondary="defined" 