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Across 3. make an effort to achieve or complete (something difficult). 4. the hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub, used for fuel or timber. 6. notice or perceive (something) and register it as being significant. 8. economic activity concerned with the processing of raw materials and manufacture of goods in factories. 9. the thing that you hope to achieve by doing something 11. bring (something, especially a product, measure, or concept) into use or operation for the first time. 13. made or produced by human beings rather than occurring naturally, especially as a copy of something natural. 14. create or design (something that has not existed before); be the originator of. 15. be in charge of (a business, organization, or undertaking); run.

Down 1. the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions. 2. think carefully about (something), typically before making a decision. 5. the end or finish of an event, process, or text. Or a Judgement or decision reached by reasoning. 7. a machine with moving parts that converts power into motion. 10. emit gave off an unpleasant smell. intransitive verb. 12. the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.