(a) When using an electric detonator, to remove the blasting leading wire from the igniter and make the end of the said leading wire short-circuit, and take measures to prevent re-ignition; and not to approach the place where the gunpowder is charged within five minutes after the above measures are taken.〔【出典】日本法令外国語訳データベースシステム 〕
(v) When the charged concrete breaker does not ignite after ignition, or when it is difficult to confirm that the charged concrete breaker has ignited, to remove the lead wire of the said blaster from the igniter and make the end of the said lead wire a short-circuit, and to take measures to prevent re-ignition; and not to allow the worker engaging in the concrete breaking work to approach the place where the said concrete breaker is charged within five minutes after the above measures had been taken.〔【出典】日本法令外国語訳データベースシステム 〕