MISSING LINK LXXVI

Each pair or trio of words below shares a Missing Link - that is, its members have something in common, obvious or not. For example, RIVERS, NOSES, & VIOLINS can all have BRIDGES.

1. Rapids..........Bull..........Works
2. Cake..........Party..........Card
3. Bicycles..........Pianos..........Sewing machines
4. Crowd..........Curtain..........Salary
5. Station..........Service..........Prison
6. Canyon..........Prix..........Dame
7. Self..........Insanity..........National
8. Moment..........Discount
9. Sailing..........Operator
10. Line..........Guard..........Blind

Answers:

1. Things you can shoot
2. Birthday
3. Things that have pedals
4. Things you can draw
5. Kinds of breaks
6. Things that are grand
7. Defense
8. Senior
9. Smooth
10. Color