Double-ups: Missing middle

The first will protect your skin, while the second protects your computer.

sun ______ saver

It’s a small possibility that you have an unplanned encounter.

outside ______ meeting

You might be robbed this way, or shot in that way.

knife ______ blank

What you have inside the apple may also form one of your most treasured tenets.

apple ______ principle

This was normal for writing in the old days, especially when choosing a name for when you write a book.

fountain ______ name

Where the most uncommon elements are found might help with building a rampart.

rare ______ work

You might be the one to take on the bulk of the jobs, but you can engage in messing around as well.

work ______ play

If you’re absolutely uninterested, it might give you a totally inflexible attitude.

bored ______ stance

If you pretend to show remorse, your predicament will be very bad.

act ______ state

If  you still have a positive outlook, you might get something to go with your main course.

bright ______ order

If you clean your teeth with this, you might lose your wallet to a thief.

tooth ______ pocket

In the middle of the criminal act, you end up with your older sibling’s stuff.

red ______ down

An indivisible digit may help with the calculation.

prime ______ crunching

Make security the priority and it will prove the very best.

safety ______ class

If you head out to this sleepy, outdated place, you might get to a cascade.

back ______ fall