REQUIREMENTS

1. A designer is about to design a new child's toy and he keeps the following requirements in mind:

* toughness

* attractiveness

* simplicity

* cheapness

Has the designer left any requirements out?

2. An inventor comes up with a wonderful new idea: a bicycle made of wood. Surprisingly the idea is turned down by the manufacturers because it does not meet the requirements of a bicycle.

Which requirements do you think it failed to meet?

3. Shaping.

Requirements