INVENTIONS ON EXHIBITION -

The video discusses a plan adopted by Cardiff, followed by a visit to the Inventors' Exhibition at the Horticultural Hall. The exhibition features various domestic gadgets, including a heated butter knife and a chimney-sweeping device. The highlight is Professor Crackpot, who presents unique inventions like a special knife for eating peas, an air-cooled boot for hikers, and an escort umbrella to prevent rain from dripping down one's neck.

What is the average time mentioned in the introduction?

• Four minutes

• Two and a half minutes

• Three minutes

• One minute

Which city has adopted the plan discussed in the introduction?

• Bristol

• Cardiff

• Manchester

• London

What is one of the domestic gadgets mentioned at the Inventors' Exhibition?

• A smart refrigerator

• A self-cleaning oven

• A heated butter knife

• A robotic vacuum

What feature does Professor Crackpot's special boot for hikers have?

• Air-cooled front and exhaust-piped back

• Waterproof lining

• Built-in GPS

• Self-tying laces

What is the purpose of Professor Crackpot's escort umbrella?

• To act as a walking stick

• To change colors in the rain

• To prevent rain from dripping down your neck

• To provide extra shade