Regardless of the style of peer recovery initiation (automated or manual), certain common physical and logical deployment considerations must be taken into account prior to the use of the HA function.

Before work begins, an erection manual (see Secton 9.1), which if necessary takes account of the special circumstances of the site, shall be submitted.

It can avoid repeat manual word account and copy out when we emend teaching plan. It is important to enhance level of teaching management and work efficiency.