2390. Make match marks on the components that you disconnect/remove to record their connections/positionsThis is important for the subsequent installation procedure

973. Our earth is in danger because of serious pollution We must stop chemicals from polluting our earth

972. 用电线将电缆连接到结构上

971. Record the location and the color of the cables of each bundle which goes through the AC current transformer

970. Measure the bonding resistance between the antenna in the countersunk hole and the aircraft fuselage

969. The specification gives the symbols for relays, diodes, and other parts of the system

968. 升降舵是铰链在水平安定面后缘的可动部件。

967. This chapter shall provide that information considered necessary by the manufacturer to properly level the aircraft for any of the various maintenance, overhaul or major repairs which might become necessary during the life of the aircraft

966. Be careful when you touch printed circuit boards

965. Identify revisions, additions and deletions by a vertical line along the outside of the page opposite only that portion of the printed matter that was changed Identify a revision to an illustration with a vertical line in the left margin opposite the revised portion Show the date of the revision on each revised page

964. 发动机和辅助设备使用相同的润滑油。