INPUT ARTICLE: Article: If you have two enchantment books with the exact same enchantment and level, you can combine them in an anvil to create a higher-level enchantment. Combining two level I enchantments yields a level II enchantment (if applicable). Combining two level II enchantments yields a level III enchantment (if applicable). Combining two level III enchantments yields a level IV enchantment (if applicable). Combining two level IV enchantments yields a level V enchantment (if applicable). For example, if you have two "Power III" enchantments, you can combine them to create one "Power IV" enchantment. You cannot combine enchantments of different levels (e.g., "Power I" and "Power II"). Select the anvil to open it. Select one book and select a box on the left side of the anvil, then select the second book and select the other box on the left side of the anvil. You'll see a new book appear on the right side of the anvil's window. Select the book, then select your inventory. On Minecraft PE, tapping the book will move it to your inventory. On consoles, select the book and press Y or triangle. . If your combined book isn't the highest attainable level for the selected attachment, you'll need to create another version of the book in the enchanting table and then combine it with the current combined book. You'll repeat this process until you get your enchanted book to the highest possible level.

SUMMARY: Understand how combining enchantments works. Make sure that you have two of one type of enchantment. Open the anvil. Place both enchantment books in the anvil. Move the combined book into your inventory. Create another enchantment book

INPUT ARTICLE: Article: Mix one part vinegar with one part water in a clean, empty spray bottle. For example, 1 cup of vinegar and 1 cup of water will make a 16 ounce solution. Use clean water to rinse the vinegar solution from the plastic; dry it with a towel.

SUMMARY: Combine vinegar and water. Rinse with water.

INPUT ARTICLE: Article: Cleaning a rare, collectible coin can reduce its value by over 50% due to tiny scratches or the removal of the tarnish. If the gentle cleaning methods above do not work, it's safer to have it cleaned professionally or accept an imperfect appearance. Feel free to use the methods below on common, non-collectible coins if you prefer a brighter appearance for your own collection. An even gold, grey, or iridescent tarnish (toning) is desirable and increases the coin's value. A black or blotchy tarnish is not ideal, but harsh cleaning can still lower the value. Continue very carefully or take it to a professional. After washing the coin in soapy water, you may still see dark areas outlining letters or detailed images. Wash again and pick away this dirt slowly and carefully using a toothpick or bamboo skewer. Take care not to scratch the coin, since the pick can scratch away the tarnish. Pointy plastic utensils are slower, but less likely to scratch the coin. Silver polishes clean metal using acid and abrasives, both of which eat away a small layer of metal. This is an easy way to brighten non-collectible coins, but will almost certainly damage the value of collectibles: Put a coin-sized dollop of polish on a soft cloth. Fold the cloth in half to transfer the polish to two sides. Place the coin between the fold of cloth. Rub together briefly. Wipe off the coin on a clean part of the cloth. This cheaper alternative to silver polish also abrades the silver coin, causing scratches that will be visible under a magnifying glass. Minimize damage by using distilled water and mixing in just a little baking soda to make a watery paste. Dip the entire coin the paste, rub between your fingers for a minute, then rinse with water. Repeat two or three times if necessary. Pat dry. A thick buildup on ancient coins is likely "horn silver" (silver chloride). This may be worth removing, especially if it prevents identification. Submerge the coin in a 10% ammonia solution in a tightly sealed container. Remove it after a few minutes, rinse immediately in water, then brush with a soft toothbrush. Repeat as needed. Warning: ammonia liquid and fumes are corrosive. Wear neoprene gloves and work in a ventilated area. Some hard buildups are the result of a different chemical reaction, which may require other treatments. Consult a coin dealer first if the coin might be valuable. The following treatments are especially risky. Without expert supervision, they may remove the tarnish or pit the coin's surface. These are more often used on ancient coins, where heavy buildup may prevent identification or severely lower the value. Relatively modern, machine-made coins should only be treated this way if they have little collector's value and an unattractive tarnish: Soak the coin in a 50/50 mix of distilled water and lemon juice for one hour. Soak the coin in 1 tsp (5 mL) lemon juice mixed into 1.5 cups (360 mL) olive oil. Warm this in a heat safe container inside a water bath, but keep it below boiling. "Dipping" treatments can return a coin to a frosty white silver appearance, which some collectors value. However, this is an extremely risky procedure that can cause blemishes to appear. Hiring a professional is strongly recommended, but you can buy a dipping solution to use at home.

SUMMARY: Use extreme caution with valuable coins. Pick dirt out of small crevices. Rub with silver polish. Wipe with a paste of baking soda and water. Remove hard deposits with ammonium. Use extra-harsh treatments as a last resort.

INPUT ARTICLE: Article: Clearly, set your objective about your app objective. E.g., Find petrol stations on a highway in a particular state or country. Visualize how your app will look on the screen. Draw a rough diagram of screens or skins. What are the functions and everything in between? Know if your idea is already used. Find out what users are looking for? How to tap the market financially? Chalk out a marketing plan. Marketing isn't the last step in app making. It should be taken along in every step i.e., pre-production, production, and post-production. Storyboarding helps you have a blueprint of app functionality. Similar to storyboarding for movies, the more elaborate storyboard is, the more lucid the process becomes. Prototyping tools let you see and test your app in real time. You can check and modify accordingly. Ask your friends and family to check your app and give feedback. Incorporate their feedback in your modifications. Now after testing the prototype, begin your work on the backend. It is the developer's' side of the application. It includes storage, APIs, setup servers, and databases. App store requires you to get registered as a developer. You don't need to be expert in programming but it requires a fee. Check out the sites for more info. It is the actual creation of the skins or screens that the users will use. You make UI at this stage.

SUMMARY:
Decide what your goal is. Do some paperwork. Research the market. Storyboard. Make a prototype or wireframe. Build the backend. Get registered. Skin/Screen it.