| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for issuing a warranty with a history of protective work against termites promptly capable of certifying that protective work against termites is performed at regular intervals, and a system for managing a history of protective work against termites. SOLUTION: A contractor of protective work against termites gives a house ID peculiar to the house owned by a customer and issues a warranty showing a list of termite exterminating work performed on the house in the past. Through the Internet 15, the customer is able to check contents of the warranty for the termite exterminating work performed on his or her house or give instructions to issue a warranty. |
