Answer:
A, C, D is the correct answer.
Explanation:
There are many jobs such as oil drilling, pipe laying,electrical power Line installation in which employee working needs to travel.
Oil drilling: In oil drilling jobs drilling and pumping of the oil is involved from the underneath wells and people working in this type of job need to travel to that area where such types reserves are available.
Pipe laying: people working in this type of job involves constructing, assembling and connecting of the pipes system for drains, water mains, pipelines. People working in this profession need to travel regularly for the maintenance of the pipes.
Electrical power-line installation: people working in this job need to install and maintain the power lines from the power plants to the customer's residences and thus this job also requires regularly traveling.
