TIGHT PROBLEM, RIGHT SOLUTION!
Have tight doors? Can't easily open and close the doors? Rusty doors may be a big problem but when WD 40 is there, even the tighter problems can be loosened.
Step 1: Diagnosing the problem
First things first. Diagonise what is the exact problem. Knowing the root cause of the problem is very important to solve it efficiently and effectively. Here the problem is with the door and it is caused by the hinges which got wear and tear due to usage and it got rusty.
Step 2: Spray WD 40 over the affected area
Spray WD 40 Multipurpose product over the hinges of the door. Wait for 5 minutes.
Step 3: Problem solved!
Now your door is ready to swing like a swing!!!! It is now lubricated and the hinges will work easily and won't create any noise too!