What does this rebus means ?

PROG WORKRESS

What do you call a fish without an eye?

What is always in front of you but can’t be seen?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What can go through glass without breaking it?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?