By hiring a plumber...
Yes, as long as your water pressure is high enough to meet the requiremnts of the sprinklers, drip or bubblers associated with both valves.
in both the valves blood flow in one direction.
to get both gas and water in oil, u most likely have a craked head crack will be right there at one of the valves
The term "still water" refers to drinking water that is not carbonated. Both can be spring water.
You may have a broken pipe or have not paid your water bill and they turned it off at the main. Check the main for a tag from the department of water and power.
To empty the water tank encountered during the Elemental Workshop sequels, it's important to note that there are in fact two water valves. You will need to rotate both water valves found near the tank in order to fill and empty the tank.
'W.C.' is one of many alternatives instead of saying 'toilet'. 'W.C.' means 'water closet'. Others include 'lavatory', 'public convenience' and (both in USA only) 'bathroom' and 'restroom'.
No. Only venous vessles contain valves.
Both these valves are halfmoon shaped
Yes, both wet and dry systems have valves.
Yes, both valves can be closed at the same time. (Look at a cardiac cycle diagram and look at time period of around 0.45 seconds)
Showers and tubs do not usually have shut off valves on the supply lines. To shut the water off you will have to shut off the main water line. There should be one on the cold water line to the water heater. This may shut both the hot and cold off or just the hot. There will be one in the main line coming into the house on the basement wall closest to the street or at the water meter.