17. 1. ● , . → ● . → MODEL , ● , , . HARNESS . → . ● HOUSING , → TRACKING, SHORT , . . ● . → TAPPING ● . . → . ● . → , . ● . → . ●1 . ● , , , . → → . . ● . ● . ● . → → 67 , : ( , . , , LP , ) :