What Aircraft Mechanics Need to Know?

All aircraft mechanics need to know these things to success in career path for future.
1) Fractions
2) Conversions
3) Nomenclatures
4) ATA 100 Systems
5) Aircraft Nationality Identification
6) Standart Taxi Signals
7) Cylinder Color Code Identifiers
8) Temperature Conversion
9) Hydrolic Relationships
10) Metric conversion
To be continued...