The young woman is a farmer, and the machine she uses is a tractor.
Because one more will make it too farty! (240)
Jane is a clock repairer who owns her own clock-repair shop. By the way, Jane has two beautiful grandmother and grandfather clocks in her home which keep excellent time, thanks to Jane.
The young woman is a used-car saleswoman who encounters a wide variety of high and low end trade-ins at the dealership where she works. Incidentally, all of the models of the used cars listed in this puzzle are named after animals. The last one mentioned, the Watercar panther, is an amphibious automobile which started to be produced in 2013.
We are the biography of Scarlet.
We are Trains.
The retired zookeeper was also a professional topiary expert. Mixing together the best of his two worlds, he sculpted zoo animals from his fully-grown, healthy, living bushes in his front yard, much to the delight of his neighbors.