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.
Other Considerations. When using an activated carbon water filter, the most important thing to remember is to replace the filter following manufacturer's recommendations. Carbon filter cartridges eventually wear out and become less effective at removing contaminates after a period of a few weeks or months.Another important tip when using carbon water filters is to filter the water slowly, with the tap turned half on, rather than on full blast.ther Considerations. When using an activated carbon water filter, the most important thing to remember is to replace the filter following manufacturer's recommendations. Carbon filter cartridges eventually wear out and become less effective at removing contaminates after a period of a few weeks or months.