Read and translate the following compound nouns. Find compounds which are countable (8), uncountable (6) and those which are used either in the singular (6) or the plural (6). heart attack, greenhouse effect, luxury goods, pedestrian crossing, contact lens, package holiday, food poisoning, mother tongue, birth control, roadworks, human rights, arms race, alarm clock, pocket money, hay fever, blood donor, blood pressure, data processing, generation gap, kitchen scissors, assembly line, sunglasses, labour force, race relations,windscreen wiper,brain drain