with references Create a detailed presentation that explains the types, markings, and uses of aircraft fluid lines. Select a type of fluid line, focusing your presentation on rigid or flexible lines. Then locate sources to support your information. The FAA-H-8083-30A General mechanic handbook is a good primary source; be sure to avoid secondary sources. What fittings would be used to connect them? What materials are used in this type of fluid line? What fabrication processes are necessary? List or describe the tools needed in these processes. Are there any special precautions when installing or working around the various fluid lines and fittings