Use clear section headings.

So for a power screwdriver or drill –

An introduction to the power drill/driver. Describe what it is, what it does, how it is powered, who uses it, where it is used, any special features, cost etc.

How new technology is used in the product – rare earth magnets, rechargeable batteries, any special materials or manufacturing processes used in its production.

The construction – exploded drawings, photographs of disassembly, written description and summary.

Scientific principles – electric motors, magnetism etc.

How needs of the user/ manufacturers/suppliers have shaped the use of new technology in the power drill. – Low weight, high power, long life batteries etc.

System diagrams and information from the manufacturer.

Grade C is based on using a range of sources – internet, product brochures, real product. How the new technology has improved the product compared with the old product.
How the new technology has enhanced the product - described using the scientific principles