medium-sized - between small and large in size, pollution - harmful materials, sort the rubbish - to put trash in an order (to put in groups), inhabitants - people who live in city / country, to employ somebody - to have someone work or do a job for you and pay them for it, man-made - artificial , artificial - made by people, often as a copy of something natura, to exist - to be, or to be real, oil - the black oil , condition - the particular state that something or someone is in, salary - a fixed amount of money that you have for the job, recycling - the process of collecting and changing old paper, glass, plastic, etc. so that it can be used again, polluted city - spoiled, not clean,

TS Elem Solutions 3rd 5F

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