| 21. | Controlling mainly include mechanical, biological and chemical methods.
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| 22. | Use of microorganisms to degrade it has seen faster and better results than the chemical method.
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| 23. | SEKEM then created a company to process organic cotton using mechanical rather than chemical methods, NatureTex.
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| 24. | Mechanical and chemical methods have been applied, but their costliness has militated against their ready adoption.
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| 25. | Pulp can be manufactured using mechanical, semi-chemical or fully chemical methods ( kraft and sulfite processes ).
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| 26. | The same chemical methods can be used for this, but the hair is not wrapped around rods.
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| 27. | There are also several physico-chemical methods for producing hydrogen; most of these methods require electrolysis of water.
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| 28. | Chemical methods can be used to help the tree maintain health and avoid progress of the disease.
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| 29. | In an agricultural setting, the pathogen can be controlled using chemical methods, genetic resistance, and careful farming methods.
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| 30. | In 1992, it was studied to find the chemical composition of the iris, using spectroscopic and chemical methods.
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