a 6. What kind of hem is a folded edge on the metal made in order to increase its strength and to make a smooth finished edge? a. single hem b. double hem c. wired edge d. folding edges 7. Which of the following is NOT a sample of developed products? a. cans of sardines c. a box of cakes b. a wooden table d. stainless spoon and fork 8. Which is NOT a sample developed patterns? a. cube b. prism c. cone d. triangle
