Across
- 2. reduce the weight of buildings.
- 3. is the central subject in the study of environmental conservation.
- 8. work to improve the quality of a product or involve in the development of new materials.
- 14. dangerous drugs, and performing DNA tests.
- 15. tend to use price to judge a product's quality when their local identity is most important to them.
- 16. are also used in sterilization, disinfection to kill microbeslike hydrogen peroxide (agua oxigenada), povidone-iodine (betadine), bleach and the like.
- 18. these are materials or substances used in the primary production or manufacturing of goods such as in textile industry, wool, silk, jute, cotton, flax, glass, fibre, polyester, acrylic, nylon etc. are being used to produce different kinds fabric.
- 19. play a significant role in improving the performance of buildings.
- 20. is a mixture of various chemicals.
- 21. are responsible for negative impacts on the environment.
Down
- 1. has made jobs of police officers a lot easier.
- 4. which are used in cars, cell phones, laptops, watches, flashlights, and many other power storage applications.
- 5. these are products that are bought by individuals or households for personal use.
- 6. (chemistry and biology).
- 7. (chemistry and physics).
- 9. helps to identify criminals by detecting chemical evidence left behind crime, identifying dangerous drugs, and performing DNA tests.
- 10. are made of chemicals which are produced in pharmaceutical industries.
- 11. they are manufactured in chemical industries through saponification of fatty acids.
- 12. also referred to as consumer products.
- 13. enables the researchers to design safer chemicals and products, to use renewable raw materials, conserve the energy and develop better catalysts and others.
- 17. plays a very important role from production to cooking of almost all farm produce nowadays.