Q: however, if you do earn all or nearly all your income in the country where you work, that country is obliged under eu law to give you the tax allowances that are available to its residents.

A: However, if you do earn all or nearly all your income in the country where you work, that country is obliged under EU law to give you the tax allowances that are available to its residents.
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Q: the very moment you set a voltage setting it changes, there is no "apply button".

A: The very moment you set a voltage setting it changes, there is no "apply button".
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Q: clear: deselects all numbers selected; you can also deselect numbers individually by clicking on them

A:
CLEAR: Deselects all numbers selected; you can also deselect numbers individually by clicking on them
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