S4

If we want our invention to make money we need to make sure it is __________ viable

Having __________ means we can better understand how people with problems feel.

It is often said that every problem has a ___________.

To protect our invention it is important to _________ it otherwise anyone can copy it.

When I was researching my invention I wanted to get many different peoples ideas so I _________ ________ at school and in my neighborhood.

I have seen and had this problem myself so I have __________ experience of it.

We need the support of experienced people, these ________ give good advice.

If people are going to touch something, we need to consider the ________ qualities of the product.