A cutting tooth for use with a stump cutting apparatus wherein the cutting tooth has a removable and replaceable cutting bit. The spout has a docking collar mounted thereon for receiving a connecting shaft of the spray head. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. Data is read from one or more non-volatile storage elements using the calculated current read pass voltage. The selected active content is selectively published based on an outcome of the verification process.