How to write a business case
Identify and thoroughly understand a relevant business problem, issue or goal.
Your first step in creating a successful business case is to clearly identify the business problem, issue or goal that your business case will address. Hold a brainstorming session with your business's decision makers and managers in order to understand the problems that arose and the business goals surrounding the problems.

It is crucial to clearly define the problem and parameter of the solution. There should be an agreement about the scope between the person authorizing the business case and those who will execute analysis.

How to make hydrogen (science experiment )
Pour water into a glass container.
Avoid using plastic or metal for this. You will be running an electric current through the water that could melt plastics.

Metal will conduct this current and could shock you if you touch the container. If you are unfamiliar with this experiment, start with one cup of water.

How to compete in forensics
Join a forensics team at your school.
Check with your teachers about whether there is an existing forensics team at your school and look into joining the team. Most schools will publicize their forensics team and solicit students to join.

Your teacher may also be able to put you in contact with the local forensics league in your area. You can then get in touch with the local forensics league and look into the joining the league.

How to paint a bathroom vanity
Empty out all of the cabinets and drawers.
Take out all of vanity's contents, such as personal products, towels, and styling tools. Set these aside where they will be out of the way while you work on the vanity.
This will help prevent mess and damage from the paint. Spread a dropcloth on the floor around the vanity.