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.
Step 3. Clean the cartridge. Using a paper towel and warm water or a little rubbing alcohol, gently wipe the print heads and any metal contacts. Use a fresh paper towel to dry the cartridge. Keep in mind that when you wipe the print head, a small amount of ink should come out onto the towel.Step 4. Check for damage.tep 3. Clean the cartridge. Using a paper towel and warm water or a little rubbing alcohol, gently wipe the print heads and any metal contacts. Use a fresh paper towel to dry the cartridge. Keep in mind that when you wipe the print head, a small amount of ink should come out onto the towel. Step 4. Check for damage.