| | | | | | | | | 20 | | | | 1. | | | 2. | | 6 | | | 3. | | | | | | 4. | | | | | | | | 20 | | 1. | | LED | | | 2. | | | | 3. | | | 10 | 15 8 3000 | 20 | | | | | | | | 1. | | | | | | 2. | | | | | | | | | | | 1. | | | | | | | | | 20 | 20 | | 2. | | | | | | | 20 | LED | | | | 1. | | | | | 2. | | | | | | | | 3. | | PDA | | 4. | | | | | | | 986 | 321 | 1398 | | | | | | | |