Protests are taking place a day after Republicans converted Michigan from a seemingly impregnable fortress of organized labor into a right-to-work state.

Read: States that have right-to-work laws.

Protestors covered their mouths with tape Wednesday in Lansing with the words "$1,500 less" written on it in reference to wage cuts they expect.

Silent protests also took place in Saginaw and were planned elsewhere.

~Protestors at the state Capitol in Lansing on Tuesday~

In Detroit, dozens of noisy protesters entered a state of Michigan office building to voice their opposition to right-to-work.

Watch: Michigan right-to-work: What's next?

The state House swiftly approved two bills reducing unions' strength Tuesday, one dealing with private-sector workers and the other with public employees, as thousands of furious protesters at the state Capitol roared in vain.

Republican Gov. Rick Snyder signed the measures into law within hours, calling them "pro-worker and pro-Michigan."

More on right-to-work:

• Can right-to-work law be undone?

• Right-to-work legislation causes stir in Lansing.

• 1-on-1 with Gov. Snyder hours after he approves right-to-work.

• Protestors camp out in front of Gov. Snyder's office

• Protestors fill the state Capitol over right-to-work bills.