The sector grew and provided high profit margins. It measures the combined effects of profit margins and asset turnover. Profits derived primarily from foreign exchange and margins. The management refused union demands citing increased competition and lower margins. Elsewhere, irrigation is essential to improve crop yields on the desert margins. It is seen as a way to generate higher margins or returns on investment. Very large lakes were created along the glacial margins. The ears are large with black margins. Later polls showed Lieberman leading by varying margins. The company operates under low margins. It lies roughly midway between the continental margins of Australia and Zealandia. Dome dunes are rare and occur at the far upwind margins of sand seas. Their shirts are often trimmed with "tricolores" at the margins. Marks made in the margins are called marginalia. Historically, Republican presidential nominees score one of their best margins of victory here.