Whats The Dif Between B, E And D. I Thought They Were All Specialist? Have I Chosen Good Shop Categories?

A Major shopping units
B Clothing and Shoe Shops
C Convenience shops
D Furniture and Carpets
E Specialist shops
F Personal services
G Catering and entertainment
H Car Sales
J Professional services and offices
K Public buildings
L Transport
M Change
N Residential
P Industrial
Q Discount stores
R Charity
thanks.

What Category Do Bhs, ‘a Betting Agent,’ ‘holland And Barrat’, Superdrug, And M&s Come Into? Im American

and these names are foreign to me. What category would these shops fall into?
A Major shopping units
B Clothing and Shoe Shops
C Convenience shops
D Furniture and Carpets
E Specialist shops
F Personal services
G Catering and entertainment
H Car Sales
J Professional services and offices
K Public buildings
L Transport
M Change
N Residential
P Industrial
Q Discount stores
R Charity

Why Is Vacuuming Required Before Carpet Cleaning?

We are having professional carpet cleaning services coming. Was just wondering why we need to vacuum the carpet before they do the ‘cleaning’?