Sold between 1822 and 1917, the bonds were used mainly to finance railway construction.
Later the caves were used mainly to age cheese and cured meat.
CFCs and HCFCs were used mainly in refrigeration and aerosol sprays but, in 1985, scientists discovered the Antarctic ozone hole.
During this time 30 EvoFITs were used, mainly for serious crimes such as indecent assault.
Man-made flavour additives were used mainly in baked goods, sweets and soft drinks until the 50s, when sales of processed food began to soar.
In contrast to square capitals, which were used mainly in stone inscriptions, the script used throughout the Roman Empire in books and official documents was rustic capitals.
Whereas in his youth the strings were used mainly to play introductions and ritornelli (instrumental interludes), Scarlatti placed more emphasis on the orchestral accompaniment to the voices.
At the outbreak of World War I, military pilots were used mainly for reconnaissance work and were not expected to possess any knowledge of aerobatics.
It hyped the danger of deficits, yet even on its own (not at all credible) accounting, spending cuts were used mainly to pay for tax cuts rather than deficit reduction.
Mr. Mokaddem acknowledged that bringing the Hybrid Air to market would require overcoming a "key challenge" in adapting the hydraulic parts, which were used mainly in applications like elevators, tractors and aircraft, and producing them in volume.
Flags originally were used mainly in warfare, and to some extent they have remained insignia of leadership, serving for the identification of friend or foe and as rallying points.
