A condenser
A condenser
A condenser
its not
Biotechnological industries.
The useful life of land improvements can vary significantly depending on the type of improvement and environmental factors. Generally, common land improvements like landscaping, parking lots, and drainage systems may have a useful life ranging from 10 to 30 years. However, factors such as maintenance, location, and usage can influence this duration. Unlike buildings, land improvements typically do not depreciate in value, but their functional lifespan can be affected by wear and tear over time.
To make something useful, first identify the needs or problems it addresses. Then, ensure it is designed with functionality and user-friendliness in mind, incorporating feedback and improvements based on real-world use. Finally, consider its accessibility and availability to ensure it can reach and benefit the intended audience effectively.
they can be useful in the future annd when we run out of supplies
Same reason anything is improved - to make it better. Stronger, lighter, more useful...
It is designed to transport you around, not produce energy.
Short answer Yes. Petrol is useful for running a engine, and extremely dangerous if misused.
The engine will not run without a supply of petrol so you would think it is useful.
The engine will not run without a supply of petrol so you would think it is useful.