Studying workers as they shovel different types of materials with different types of shovels in order to determine the most efficient tool and method to use is an example of:

answer; it can vividly demonstrate product attributes and persuasively explain their corresponding consumer benefits;

answerall of the above;

all you have to do is give a good answer with details and the answer has to be understandable and then they will most likely give you the brainliest answer.