Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 1
    [drag_system] => 
)

Array
(
    [friction_system] => 1
    [drag_system] => 
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)

Array
(
    [friction_system] => 
    [drag_system] => 1
)