1. At least one supersonic and one subsonic ramp is used , but for improved seal multiple supersonic ramps can be used .
2. At least one improved and one supersonic ramp is used , but subsonic ramps can be used for multiple supersonic seals .

no

1. She moved to Switzerland when she was a couple of months old , then grew up to France , but mostly in Paris .
2. She moved to Switzerland when she was a few months old , mostly to France , but grew up in Paris .

no

1. Polymers of the coordination type are also stereoregular and can be isotactic or syndiotactic instead of atactic .
2. Coordination type polymers are also atactic and can be isotactic or syndiotactic , instead of just stereoregular .
no