1.   Convector models work by drawing in cold air which is then warmed in a convection-chamber.

2.   He stayed later and later at the quarries, working by kerosene lamp.

3.   I always go to work by car.

4.   I mean, a lot of times people like to work by themselves.

5.   I usually go to work by bike.

6.   I usually go to work by bus.

7.   InConcert works by modelling business processes and tracking documents like spreadsheets, forms and graphics through each stage.

8.   It works by analysing your present financial position and identifying any problem areas or gaps.

9.   It works by checking the configuration of programs against a database showing the proper setup.