3. Rich Fiery Hot Cold sombre Deep, unknown, threatening Hard Quality Female Male Natural Envy Bright alive Male, natural Young male Young female Pure Natural, dairy Rich natural Pink for Girls and Blue for Boys is an old fashioned view still used by many people in many countries. It should be avoided in modern-day designs

4. The colour sequence is: Yellow Yellow orange (2 parts yellow + 1 part red) Orange (1 part yellow + 1 part red) Orange red (2 parts red + 1 part yellow) Red Red violet (2 parts red + 1 part blue) Violet (1 part red + 1 part blue) Blue violet (1 part red + 2 parts blue) Blue Blue green (2 parts blue + 1 part yellow) Yellow green (1 part blue + 2 parts yellow) - and You're back to yellow

13. Shading a round cylinder A Light shine down the middle brings the surface closer to you therefore creating 3-D effects.

14. With colours, it makes it look like paint or plastic

15. A black reflective stripe, makes it look like metal Chrome Brass

16. Copper Bronze