In one sentence, describe what the following article is about: Hold the cabbage under cool, running water. Rub the cabbage with clean fingers to remove dirt, germs, and pesticides. Pat dry with a paper towel. Chopping will go much faster if the knife is longer than the width of the cabbage. Avoid carbon steel knives, which will turn the cut edges black.
Summary: Rinse and dry the cabbage. Select a long, stainless steel knife.

A layer of mulch around the tree's roots can cushion and insulate the roots and minimize soil erosion. Pick a material that won't absorb too much moisture from the soil around the base of the tree. A few options include: Pine straw. This material is not absorbent, and will allow moisture to reach your tree's roots easily. Pine bark nuggets. If you choose this material, make sure to remove old nuggets before laying down new ones, or the old mulch may absorb too much moisture from around the tree's roots. Shredded wood mulch. Because this material absorbs moisture easily, avoid putting too much at the base of your tree. Use a layer only about 1 inch (2.5 cm) thick. You will need to put down enough mulch to cover the exposed roots, but take care not to put down so much that you smother the roots. Use thinner layers when applying more absorbent mulches (such as shredded wood), and take care that the pile doesn't become too thick when you refresh the mulch. Your mulched area may need to be up to 2/3rds the diameter of the tree's canopy. Don't worry if the mulch covers up part of the lawn around the tree. Allowing your roots to compete with your grass will only lead to further soil erosion. If you pile up too much mulch around the base of the tree, it may cause the bark at the bottom of the tree to become diseased. Leave a little space between your mulched area and the base of the tree.
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One-sentence summary -- Select an organic mulch material. Put down a layer of mulch no more than 3-4 inches (7.6-10.2 cm) thick. Make the area of mulch wide enough to cover the exposed roots. Avoid piling mulch against the trunk of the tree.

Q: Killing anthills with boiling water is effective, but it takes a great deal of water and labor. Use this method if you only have a few anthills. This method is more environmentally friendly than other methods, so choose this one if that's a concern for you. You will need a large amount of water for each anthill. Boil a large soup pot of water per anthill. Using protective gloves, remove the pot from the stove. Find the nearest anthill you want to kill. Be careful, as both the water and steam can burn you. The boiling water also kills grass and other plants. Be careful to keep it just in the anthill.
A: Know when to use this method. Boil water. Remove the pot from the stove. Take the water outside. Pour the water on the anthill. Avoid the surrounding area.

Problem: Article: No matter what gymnastics move you're doing, you need to stretch first. You should at least stretch your ankles, hamstrings, neck, and wrists. To stretch your ankles, sit down on the floor. Prop one ankle up on the other knee, and rotate it in a circle a few times. Do the same with the other ankle. Stretch your hamstrings by pulling one leg up behind you while standing. Try to tighten your butt muscles while doing it. Switch to the other leg. Rotate your wrists and neck to get them stretched out. Run a couple of steps forward. An make sure you have good balance when doing so. On the last step, bring both feet together, and punch into the ground, pushing yourself into the air. You should land on the balls of your feet. As you push yourself into the air, lift your hands to your ears, so that you are keeping your core tight. You're not trying to flip right now. You're just practicing the jump. When you land, bend your knees slightly. Once you get the punch down, add in a knee lift then push your body foreword as you jump up, pull your knees up into the air. As you come back down, straighten back out. Bend your knees as you land. One safe way to practice these steps is on your trampoline in the back yard. You can go through each of the steps in this section on your backyard trampoline to get the feeling of the moves. When you start out on the trampoline, make sure you are tight. That is, keep your head steady and your body straight. You don't want your head and body flopping around, as that can lead to injuries. Start by getting a bounce going by jumping a little forward into a punch. Once you've got the punch down, try adding in the knee lift. Before doing a front flip, you want to make sure you're getting as much height as possible. Really punch off the ground when you're jumping. In addition, it's really best to work with someone if you've never done it before. Try a gymnastics or parkour gym to get some tips. In addition, you'll have access to things like spring floors at these gyms, making it a whole lot easier. Realize that if you're trying to do gymnastics as an adult, the consequences can be more severe than when you're learning as a kid. That is, as a kid, you only weigh 40 or 50 pounds when starting out in gymnastics, plus you're a lot more flexible. As an adult, you weigh a lot more, and you don't bend as easily. Therefore, it's easier for you to get injured. You probably shouldn't try a front flip if you have back or knee issues, at least not without consulting a doctor first.
Summary:
Stretch first. Practice your jump first by doing a punch. Practice with a knee lift. Try practicing on a trampoline. Decide you're ready to do a front flip.