| speed changer(expression, feature, state, change) |
| tap changer(expression, feature, state, change) |
| frequency changer(expression, feature, state, change) |
| gender changer(expression, feature, state, change) |
| tool changer(expression, feature, state, change) |
| head changer(expression, feature, state, change) |
| mode changer(expression, feature, state, change) |
| record changer(expression, feature, state, change) |
| circuit changer(expression, feature, state, change) |
| on-load tap changer(expression, feature, state, change) |
| phase changer(expression, feature, state, change) |
| roll changer(expression, feature, state, change) |
| wave changer(expression, feature, state, change) |
| load tap changer(expression, feature, state, change) |
| money changer(expression, feature, state, change) |
| multihead changer(expression, feature, state, change) |
| multiple spindle head changer(expression, feature, state, change) |
| pallet changer(expression, feature, state, change) |
| rotary frequency changer(expression, feature, state, change) |
| sample changer(expression, feature, state, change) |