| Obviously, this applies not only to blue-collar factory workers, but to people who work in offices or the service sector. |
| Both are blue-collar workers, and both have enough size, strength and savvy to clog up the middle. |
| There have also been large numbers of blue-collar workers in service and garment industries. |
| Sauer's study is noteworthy because of its emphasis on blue-collar workers at risk. |
| It depicts a blue-collar worker, but it's afraid to show the work she'd actually do. |
| The Tokyo economy grew so fast in the 1980s that the city faced a shortage of blue-collar workers. |
