Grade 6:TLE

9. What is the process of enhancing metal products that uses acid to pre corrosive action?
a. staining
b. engraving
c. etching
d. texturing

10. Which of the following explains the importance of conducting a market survey?
a. Gain customers' feedback
b. Understand customers' preference to procure products
c. Assist in making important decisions in enhancing a product
d. All of the above​