Electrical power

 Remember the leaking 6-inch valve? The solution is by using of braided rope and this is usually pre-immersed in oil. ( approximately 6  by 6 mm. ) The valve is being installed by removing the two screws on the top of the "thing" in between the wheel and the body of the valve. Once removed, installed the rope about two runs around the stem of the valve.  https://shopee.ph/product/24417166/21510430187?gclid=CjwKCAiA3pugBhAwEiwAWFzwdXwY0_TeHpeXwG3BGnTe7hHJUCsYcIK7WNkjqb4JlaJmnIn8rRhOZxoC57EQAvD_BwE And all peanut butter sandwiches! It is damn fixed! Take note to be sure the water supply is cut off, and rugs and pails are present during the repair.

Did you ever experienced having a leaking   valve ? With a 6 inches in diameter ? A utility valve , cooling tower water valve  or valve for fire fighting ( line ). Especially if it happened on the wee hours or happened on after office hours when you are about to time out or just leave it to the incoming maintenance. Just let valve leaking for hours or call the attention of your engineer for some action  and will tell you to use a drum underneath it. Just wait for other day will replace the said valve ! Wow ! What a wait ? Considering the water dripping ( how much ? ), the damage on the ceiling ( acoustic board or gypsum board ) plus repainting. And the cost one unit gate valve  ( 3 to 6 inches diameter ) it's pain the ace ! Another is the installation of the replacement unit is time consuming and piping contractor is inevitable. That not all the Technical Manager will call the attention of the Technical Supervisor and maintenance man and begin to ask question , ...