What are vocational skills? Use in your own words.

Vocational skills are practical or firsthand skills that help a person master a trade or a job. These skills may be obtained on the job or at  a vocational school. A vocational school provides technical education to prepare people for work in a trade, craft, or profession

Explanation: does this help?

i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.