Develop better bubblegum (a)  

Design ways to clean polluted air (a)  

Improve bandages (a)  

Figure out how to package bottles so they don't break (a)  

Repair cars (a)  

Figure out ways to explore the ocean (a)  

Test the properties of soil (a)  

Come up with ways to keep soup hot for a picnic (a)  

Install cable television (a)  

Develop smaller cell phones (a)  

Create warmer kinds of cloth (a)  

Install wiring (a)  

Fix computers (a)  

Put roofs on buildings (a)  

Improve camera lenses (a)  

Create waterproof materials (a)  

Fix headlights on cars (a)  

Drive garbage trucks (a)  

Design tools for surgery (a)