Detailed text transcripts for TV channel - DW - 20190316:03:40:00
Floating roofs that rise and fall with the oil level. here there's no shadow because the tank is full and the roof is right near the top. but here the satellite image shows the tank is nearly empty the larger the shadow the lower the oil level. not just governments but also investors can benefit from such information it can be worth a fortune on the stock market. example number four one. major retail chains higher companies to carry out satellite surveillance of the competition focusing on that parking lots over a period of months a program counts the number of cars in order to determine which...