Types of trees according to the duration of the leaves. Picture of a pine tree with an evergreen needle-shaped leaf. There are approximately 60.000 o 70.000 species of trees. They can be sorted by numerous criteria, from their use in gardening until the value of its timber. However, the two main criteria which are usually taken into account are the duration of the leaves and the type of flowers they produce.
July 27, 2010. 1  Brita water filters clean and sanitize drinking water. 2  Remove the filter cartridge. 3  Add six to eight drops of bleach to one gallon of water in the sink or a large bowl.  Fill your sink with enough fresh tap water to submerse the entire filter 1  cartridge. Fill the pitcher with water.
1 Rinse and dry: Rinse the filters thoroughly in hot water and dry with a paper towel or clean cloth. 2  Replace the filters and repeat as needed: Put the filters back into the hood, and repeat as needed! 3  Cleaning the filters once a month is a good maintenance strategy. Swish around with a brush (not your hand because it's too hot!) until the water is nice and soapy. 2  Put greasy filters in water: Submerge your greasy exhaust fan filters into the water. 3  Make sure they're completely covered. 4  Let them soak: Allow the filters to soak for 10 minutes.