| exercise(noun, activity, action, strain, effort) |
| force(noun, action, effort, application) |
| industry(noun, activity, action, strain, effort) |
| labor(noun, activity, action, strain, effort) |
| long pull(noun, expression, activity, action, strain) |
| operation(noun, activity, action, strain, effort) |
| physical exertion(noun, expression, action, effort, application) |
| strain(noun, activity, action, effort, application) |
| stretch(noun, activity, action, strain, effort) |
| striving(noun, activity, action, strain, effort) |
| struggle(noun, activity, action, strain, effort) |
| toil(noun, activity, action, strain, effort) |
| travail(noun, activity, action, strain, effort) |
| trial(noun, activity, action, strain, effort) |
| use(noun, activity, action, strain, effort) |
| utilization(noun, activity, action, strain, effort) |