What is mobile equipment maintenance?

The facility and mobile equipment maintenance pathway includes occupations related to the maintenance, repair, and servicing of vehicles and transportation facilities, as well as the refueling of mobile equipment.

Explanation:

Hope this helps

lines and shapes are a part of the visual elements which can be played with and used to create a mood or feeling in a composition.

some of the other elements include the pattern, color, tone and texture. all these elements serve together as the construction blocks which are used by the artists to create artwork.

lines are used to form drawings and different shapes are formed when these lines are used in certain lengths or angles. so the artist can play with these elements of art to create and express different moods, thus conveying different  meanings.

the sculpture i am pretty sure you are talking about is the statue b. the david statue now lives in the galleria dell'accademia, florence, italy. it was made by ‎michelangelo.