To make service calls easier for a piece of equipment, record the following information inside the front cover of the equipment manual: date of purchase or lease, phone number of the company contracted to repair the equipment, and the ________ number of the equipment.
Fill in the blank(s) with the appropriate word(s).
serial
The serial number is needed when you call for service on any machine. The company can identify the model and age of the equipment, as well as whether a service contract is in force, using the serial number.
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