50.6

what does useful mean

what is the meaning of useful

it means something that can be used

how useful is this service

a useful tool

a system useful to the managers

50.7

any useful item

the usefulness of different items

goods and services

to understand how the system works

underperforming companies

parts of the whole

50.8

a large part of the company

a systematic way

a number of ways to do it

a number of different

the number of women who

a huge number of

50.9

a number of important steps

the numbering system

sometimes numbering more than just two or three

other times much more than that

what is the overall number of

50.10

use the useful and not the useless

when services are not useful

then they are useless

and when something is useful

it is not useless

because we can use it

the usefulness of a whole range of tools

parts that are sold wholesale