The vacuum pump was the critical precursor to the invention of the hot-filament light bulb. Indeed, improvements in vacuum pumps have continuously resulted in improvements in incandescent light bulbs. And of course, such things as metal working, glass working etc.
what are the improvements that are being done for the environment ?
A internal improvements is a nation fixes cards
Home Improvements was created in 2006.
grants for home improvements
some improvements
The improvements were made to PATA to allow for the programs to load faster. The improvements are made to make navigation easier as well.
Improvements of transportation
improvements of the idea
Improvements were made to television to make tv experience better.
Tesla's inventions worked properly without improvements although improvements came after his death when more modern technologies came around.
why are vacuum flasks called vacuum flask