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The fluid leaving the can must be replaced by air. The fluid trying to leave with only one hole is fighting a vacuum being created at the highest point in the can when you tilt it to pour. Putting a second hole in the can allows air to be sucked into the can to replace the volume of liquid being poured out.

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Why 2 holes are made to empty an oil tin?

One hole creates a vortex for particles to travel through, forcing all particles to move in a single direction; whereas, two holes create an anti-vortex, forcing all particles into the direction most relative to a particle's location, creating a reverse vortex.


Position of standard 2 hole punch in paper?

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If you have to measure exactly 4 liters of water but you only have a 3-liter bottle and a 5-liter bottle How do you do it?

As illustrated in the 1995 movie Die Hard 3 (Bruce Willis, Samuel K. Jackson), you can measure out exactly 7 liters in the following manner:Fill the 5 liter container, then use that 5 liters to fill the 3 liter container.Dump out the 3 liter container.What was left in the 5 gallon container is 2 liters. Pour this into the 3 liter container.Fill the 5 liter container again.You now have 7 liters : 5 in the large container and 2 in the smaller one.


What are the specs for drilling microlam beams?

I checked and per a Roseburg Forest Products booklet holes up to 2" are permitted as follows: No more than 3 holes. Square and rectangular holes are not permitted. Does not apply for cantilevers. Hole to be centered on height of beam. Holes (if more than one) must be a minimum of 4" clear distance between holes. Hole must be at least 2 1/2 times height of beam away from load bearing point


Is lemon juice pH 1.5 basic polarity or acidic?

The pH of lemon juice is normally around 2-3 pH. It is defintely a strong acid. Stomach acid is 1 on the pH scale. It isn't neutral, definetly NOT a alkali. Hope this helps. Lolly x

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