To safely and effectively whittle a stick, start by selecting a sturdy stick and a sharp knife. Hold the stick firmly with one hand and use the knife to carefully shave away small pieces of wood, working away from your body. Make sure to keep your fingers out of the way of the blade and work slowly and deliberately. Practice good knife safety techniques and always cut away from yourself to avoid accidents. With patience and practice, you can create a useful tool or piece of art through whittling.
The useful energy of a vacuum cleaner is the energy that is converted into suction power to pick up dirt and debris from surfaces. This energy is used to create airflow and suction that effectively cleans floors and surfaces.
To create suction effectively, you can use a vacuum pump or a suction cup. By creating a pressure difference between the inside and outside of a container, you can generate suction force that pulls objects towards the source of suction. This can be useful in various applications such as lifting objects or creating a vacuum seal.
Wind is useful in technology because it can create energy.
Why would they create programs if it won't even be useful for themselves...Ofcourse they should create programs that are useful to themselves and other people..that's why programming is invented for advantages....
It works most effectively in sunny areas
it uses electricity to create a magnet
it uses electricity to create a magnet
They create new landforms and mabye some useful minerals.
create works that are pleasing and useful
You effectively did in your question as I did in this answer. Many writers would argue that the word "effectively" is not a useful word under any circumstance, as in "He effectively was able to change public opinion". Hey, "He changed public opinion", yes or no?
A calendar or day planner
Unicellular organisms are not useful because you can not "breed" them to create more. You need an organism with two cells to multiply.