| 摘要 |
A compound level comprising a first straight, linear leveling section and a second straight, linear leveling section. Each section includes at least one flat surface configured for contact with a work surface and at least one indicating level. The first section includes an engagement tongue that is configured for connection with an engagement groove of the second section, thus providing co-linear interconnection of the leveling sections and forming an integral linear structure for positioning the flat surfaces of each section in mutually coplanar contiguous alignment. A locking cam provides a lateral force on the tongue such that the connecting surfaces of the first and second sections are maintained in desired mutual contact.
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