Problem: How to make roses last longer
Start with a clean vase.
Before putting your roses on display, run your vase through the dishwasher or wash it thoroughly by hand with warm water and antibacterial soap. Using a clean container is important, as dirty vases often harbor germs and mineral and chemical deposits from tap water.

Answer: If you use the same vase regularly, get in the habit of scrubbing it out between uses. Make sure the inside of the container is spotless.

Problem: How to cure a small bad burn
Identify a minor burn.
Burns are categorized by depth and size and percent of total body surface area. A minor burn, typically called a first-degree burn, is characterized by redness to the outermost layer of the skin, the epidermis.

Answer: With this type of burn, there is damage to this epithelial (top) layer without blistering. A minor burn should not cover more than 10% of your body surface.

Problem: How to measure and buy the correct bike
Buy a road bike if you plan to ride primarily on pavement.
There are a lot of different types of road bikes available for different styles and functions. They are all, however, made for generally even, hard terrain like city roads or smooth trails.
Answer: They are the most common bikes out there, and can be broken up into a few subcategories : Racing/road bikes: aerodynamic, fast, and light, these bikes are the most common road warriors. They have thin tires and lighter frames, and usually aren't made to carry extra weight.