1639. Class D fire is a fire in which a metal such as magnesium burns

1724. Use a brush to put the solution on

1723. Functional tests, which is more specific than the operational test, requires supplement ground equipment to be done and ascertain a system or unit is functioning in all aspects according to minimum acceptable design specifications

1722. They include the tail assembly, the structure at the rear of the airplane that serve to control and maneuver the aircraft and structures forming the part of and attached to the wing

1721. At the discretion of the manufacturer, the manual may either be prepared in loose-leaf form with a durable multi-ring cover,Aerofiche card form or in a permanently bound form

1720. Make sure that equipment is cleared of this area

1719. Step 2 is applicable only if the weather is wet

1718. Turn the knob slowly

1717. 戴上护目镜,防止眼睛受伤。

1716. 设备清单应包括交付时安装在特定飞机上的所有必需或可选设备。

1715. 字母数字标识符是标识某物的字母和数字的组合。