| The organization of Heyd's book blends both chronological and thematic approaches, with thematic mainsprings taking precedence. |
| He is one of the mainsprings in the Australian sporting fraternity and has served in various capacities. |
| To avoid damage and injury, the mainsprings must be let down to relieve them of their power before anything is done to the movement. |
| Informing and informers are the mainsprings that wind up this play, its characters, and the audience. |
| The mainsprings of British empire building have always been argued over vigorously. |
| Elgin made many different mainsprings over the years, with some part numbers replacing others as time went on. |
