The number of knots per square centimetre ranges from 20  30 for a coarse wool carpet to 100  200 for the most expensive silk carpets, which can cost tens of thousands of pounds.
Coarse wool carpets contain 20-30 knots per centimeter and silk carpets have 100-200.
Coarse rugs contain more knots than silk ones.
At least one out of two children currently has one shorts.
I'm not involved in the system at all.
Your hotel is likely to have a swimming pool.
A man is about to surf with his dog
A dog has a stick.
A woman on a horse jumps over a fallen tree.