The phrase 'use underground' is correct and can be used in written English.
You can use it when referring to using a means of transportation such as a subway or the London Tube. For example, "Most people in the city use underground transport to get around."
According to a secret portion of the Pentagon study, more than 70 nations now use underground installations.
"We can use underground space for all the urban services that do not require daylight – transport, waste management, retail," he says.
It is a shame that the school must instead answer to punitive, external measures that stand to dangerously drive drug use underground and divest students of the lesson of responsible autonomy.
The United States' absurd "war on drugs" has done nothing but nullify individual rights, attract organized criminals to a black market, squander taxpayer money, drive drug use underground and create a vast government bureaucracy.
Russia's national policies have driven drug use underground, and only made people who inject drugs harder to reach — with only 25 percent of them having access to anti-retroviral treatment.
Advocates for geothermal energy say that the path of destruction cut by Hurricane Sandy, which unearthed fuel tanks, ravaged cooling towers and battered air-conditioners, has already persuaded some building owners to switch to geothermal systems that use underground pipes to harness the earth's energy for heating and cooling buildings.
The train's steam whistle is deafening when used underground.
The 100,000 residents of Teotihuacan enjoyed systems for using underground wells and for collecting rain.
Mr Soe Myint then launched a news service covering Myanmar from India, using underground reporters.
Consider using underground or earth-sheltered architecture, which can be ideal for domestic living.
But there are also efforts to store heat or cooling from one season to the next using underground storage tanks.
