A condenser
A condenser
A condenser
its not
Biotechnological industries.
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.
The groyne has many features that make it useful. Gyrones can be designed however a person wants it to be designed, which makes it as permeable or nonpermeable as they want.
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.
Short answer Yes. Petrol is useful for running a engine, and extremely dangerous if misused.
It was NOT James Watt that invented the high-pressure steam engine. James Watt made very useful improvements to Newcomen's low-pressure steam engine, while several people experimented in the following years with high-pressure steam. It was Richard Trevithick, however, who invented the first proven, high-pressure steam engine, particularly in his Pen-y-Darren locomotive.