/r/coolguides

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Only show posts with narrations

A cool guide to Fortune 500 Oldest & Youngest CEOs.

23 upvotes • everydayasl

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A Cool Guide to the Lime Cycle: In use for 10,000 years or so, (quick)lime mortar is made in a three stage proces as follows; 1. Calcination: CaCO3 + Heat = CaO + CO2 2. Hydration: CaO + H2O = Ca(OH)2 + Heat. 3. Carbonation: Ca(OH)2 + CO2 = CaCO3 + H2O

23 upvotes • marispiper88

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A cool guide to taxation in Europe.

23 upvotes • EnvironmentOwn6606

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A cool guide to The hidden meanings and symbolism behind the logos we see every day

23 upvotes • miss_curly974

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A cool guide to U.S. Beer Sales and Production.

22 upvotes • everydayasl

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A Cool Guide to Mental Health for Early Childhood Education

22 upvotes • RelevantAd8655

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A cool guide to The Deadliest Hunters On Land

22 upvotes • xyournaughtygf

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A cool guide to Plant watering.

22 upvotes • cutietits2

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A cool guide to searching Google like a pro

21 upvotes • EveningFee651

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A cool guide to Bionic reading

20 upvotes • naughty_princess621

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
A cool guide to Fortune 500 Oldest & Youngest CEOs.	23	everydayasl
A Cool Guide to the Lime Cycle: In use for 10,000 years or so, (quick)lime mortar is made in a three stage proces as follows; 1. Calcination: CaCO3 + Heat = CaO + CO2 2. Hydration: CaO + H2O = Ca(OH)2 + Heat. 3. Carbonation: Ca(OH)2 + CO2 = CaCO3 + H2O	23	marispiper88
A cool guide to taxation in Europe.	23	EnvironmentOwn6606
A cool guide to The hidden meanings and symbolism behind the logos we see every day	23	miss_curly974
A cool guide to U.S. Beer Sales and Production.	22	everydayasl
A Cool Guide to Mental Health for Early Childhood Education	22	RelevantAd8655
A cool guide to The Deadliest Hunters On Land	22	xyournaughtygf
A cool guide to Plant watering.	22	cutietits2
A cool guide to searching Google like a pro	21	EveningFee651
A cool guide to Bionic reading	20	naughty_princess621