service_surface_roughness
- 
id   increments 
- 
service_id FK  integer 
- 
surface_roughness_id FK  integer 
- 
timestamps   timestamps 
- 
softDeletes   softDeletes 
 
primary_finish_secondary_finish
- 
id   increments 
- 
primary_finish_id FK  integer 
- 
secondary_finish_id FK  integer 
- 
softDeletes   softDeletes 
- 
timestamps   timestamps