context: How to make concrete planters
1-choose your molds.
You will need an outer mold and an inner mold of same shape but different size.
- the smaller mold should nestle inside the larger with a gap of about 2 inches or 5 cm.
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next sentence for the context: The gap between molds will be the thickness of your planter's walls. If your planter will be any larger than 2 feet (0.6 m) by 2 feet (0.6 m), the walls should be 3 inches or 7.5 cm thick.

context: How to cook frozen corn
Bring a saucepan filled with water to the boil.
Take a saucepan and fill it at least half way full with water. You will need a large amount of water in order to be sure that the corn is fully submerged.
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next sentence for the context: Place the pan on high heat until boiling, then reduce the heat until the water is simmering. Be sure to season your water with a little salt, especially if this is the only method you will be using to cook the corn.

context: How to get your cat out of the malnutrition stage
Recognize the signs of malnourishment in your cat.
Although cats can be clever when it comes to concealing illness, your cat will probably not be able to hide her malnourishment. Signs to look for include dry and scaly skin, muscle weakness, and runny or hard feces.
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next sentence for the context: She may also stop grooming, feel fatigued, and become very skinny. Malnutrition can cause neurologic signs in cats.

context: How to visit denver, colorado
Arrive in denver.
The simplest way to get to denver is via denver international airport. The airport is located approximately 30 minutes from the city center, but taxis and shuttles are readily available to take you downtown or wherever your accommodations are located.
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next sentence for the context:
Note that denver is a sprawling city. To take full advantage of the city's attractions, renting a car is strongly recommended, as public transportation is limited to buses and a small electric train system.