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Across 3. lifting weights or lifting weights 5. If it´s over 100% the first law is broken 8. A poser is perhaps standard 9. Cleaner gyroscope without current unit hides ability to work 10. Frost feels confused to exert no force 11. Abominable snowman loses current nevertheless 15. V around V gives currency 17. A time constant is part of a circle 18. Mexican food man gets sharp projectiles to give site of famous resonator 19. 84 maybe 21. Tesla monkey could be sticky 23. Initially resistance is slowing electron rate in hot air balloon maybe 25. Flat surface gets unit of flux density for ancient Greek wanderer 26. The vertical distance between two points is penalised if IA is such 27. Addressing head lice is only penalised once if missing in exams 28. The sound of trendy Buddhist chant is represented by the capital of Chile

Down 1. New born numb toe gives nasty weapon 2. It´s square is itself 3. Push on Midge is constant according to Charles 4. Doctored cocaine alert is inevitable when pushers aren´t balanced 6. Short charge storage device fits on the head 7. Reversing time is what some nuclei do to alpha particles 10. Changing geometrical cent gives fundamental force. 12. Mass area and temperature reverse onto aluminium for Mexican dish 13. Galilean maybe is not from artisan manipulation 14. reorganised peace list is the result of stretching rubber 16. A pair of lenses is twice the start of two 20. It´s reported to go faster than the speed of light 22. Use thumb and fore finger to apply pressure on imperial unit 24. American city has two seconds with oxygen for cowboy´s aid