Secure an emergency contact - handover @ ウィキ

Hiro had been in charge of the financial system for many years, but he was ordered to go overseas due to this personnel change.
Kei ordered as a successor and had handover from Hiro. Kei is not accustomed to the system. Kei was worried whether she can accustomed to her new job. and took over efficientl
Also, because the handover period was not enough, Hiro omitted a brief explanation. Therefore, she could not accept polite explanation.

After handover, what should we do to fully play the role as successor?

Kei should understand the knowledge within the handover period, but she could not understand it due to her experience and time.
Yoshiaki and Joe did not feel uncomfortable with Kei exchanging e-mails with Hiro.

Secure a contact so that you can ask your predecessors any time.

Kei exchanged contact e-mail address with Hiro so that she can ask a question even after handover.
She can ask question to Hiro when she cannot control a issue. Thanks to Hiro, she can accustomed to her new job little by little.

If this pattern can not be executed, the Witness for the knowledge and Neighboring excavation must be used, and the successor himself must solve the problem. It is also possible for the successor to encourage the predecessors to use extra-innning fir completion of the handover by this pattern .