The recent storms and typhoon in the
Philippines has clearly showed us the power of nature and how we stand
against uncontrolled air and water. When water is present in such a huge
quantity, it can never be left uncontrolled, but in case nature
unleashes its wrath, then all we can do is, wait for it to pass by. Most
manmade huge water reservoirs such as dams and the unearthly huge sized
water tanks we can witness in the mega factories are built to remain
under control. With a thousand different
liquid level indicators, the water levels and pressures are constantly monitored.
Keeping
a fair supply of water in the factories and other huge complexes is no
child’s play. The vast amount of water can be very dangerous to handle.
In the olden times when there were no advanced liquid level measuring
devices availa
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