| energy(noun, activity, work, quality, practice) |
| helpfulness(noun, activity, work, quality, practice) |
| maintenance(noun, activity, work, experience, practice) |
| operation(noun, activity, work, experience, practice) |
| practicability(noun, activity, work, quality, practice) |
| soberness(noun, activity, work, quality, practice) |
| usefulness(noun, activity, work, quality, practice) |
| training(noun, activity, work, experience, practice) |
| ability(noun, activity, work, quality, practice) |
| adeptness(noun, activity, work, quality, practice) |
| applicability(noun, activity, work, quality, practice) |
| common sense(expression, activity, work, quality, practice) |
| level-headedness(noun, activity, work, quality, practice) |
| productivity(noun, activity, work, quality, practice) |
| proficiency(noun, activity, work, quality, practice) |
| suitableness(noun, activity, work, quality, practice) |
| thoroughness(noun, activity, work, quality, practice) |
| user-friendliness(noun, activity, work, quality, practice) |
| workability(noun, activity, work, quality, practice) |
| practical work(expression, activity, work, experience, practice) |