What is this report mainly about?

Wood carving refers to the art of creating or decorating objects of wood by carving with a sharp, hand-held tool. This form. of art has a history of over 1,000 years and a unique artistic style. The following is some introduction about wood carving in America.

According to the passage, the first settlers used wood for their utensils and tools because it was ______.

The passage suggests that the early shops for making tools were ______.

Which of the following objects was an important woodworking tool used by early American craftsmen?

In the last sentence, the word "bust" most probably means ______.