+ Collect: to bring something together from different places

+ Sort: to put a number of things in an order or to separate them into groups

+ Grade: to separate people or things into different levels of quality, size, importance, etc.

+ Remove: to take something or someone away from somewhere, or off something

+ Deliver: to take goods, letters, parcels, etc. to people's houses or places of work 

+ transport: to take goods or people from one place to another

+ clean: to remove dirt from something

+ pulp: a mixture of old paper, plant fibres, and wood mixed with water until they form a soft wet mass, used for making paper

+ manufacture: to produce goods in large numbers, usually in a factory using machines

+ Recycle: to sort and collect rubbish in order to treat it and produce useful materials that can be used again

S + am/is/are + P2 + (by O)...