UK: Prince Charles Hosts World Allergy Summit in Scotland.

What is a notable property of the natural material discussed in the video?

• It is highly flammable.

• It is made from synthetic fibers.

• It is resistant to burning.

• It is cheaper than man-made materials.

Why is the natural material not widely used despite its benefits?

• It is difficult to manufacture.

• It is too expensive.

• It releases harmful substances.

• It is not effective for insulation.

What is a major issue with man-made materials when they burn?

• They are cost-effective.

• They are easy to extinguish.

• They are environmentally friendly.

• They release harmful substances.

How do natural materials compare to man-made materials in terms of safety?

• Man-made materials are safer.

• Natural materials are more harmful.

• Both are equally safe.

• Natural materials do not release harmful substances.

What solution is mentioned to improve the safety of materials?

• Reducing the use of natural materials.

• Using more synthetic fibers.

• Increasing the cost of materials.

• Applying flame retardants.