Plumbers, pipefitters, and steamfitters install and repair these pipe systems. Although plumbers, pipefitters, and steamfitters perform three distinct and specialized roles, their duties are often similar. For example, they all install pipes and fittings that carry water, steam, air, or other liquids or gases.
https://www.bls.gov/ooh/construction-and-extraction/plumbers-pipefitters-and-steamfitters.htm
A pipe layer apprenticeship program features a mix of on-site training and classroom instruction. In the classroom, students examine safety and building regulations. They also learn to read blueprints and put concepts from physics and chemistry into practical application.
http://study.com/articles/Pipe_Layer_Training_and_Education_Program_Information.html
Plumbers, pipefitters, and steamfitters install, maintain, and repair many different types of pipe systems. Some of these systems carry water, dispose of waste, supply gas to ovens, or heat and cool buildings. Other systems, such as those in power plants, carry the steam that powers huge turbines.
https://www.bls.gov/ooh/construction-and-extraction/plumbers-pipefitters-and-steamfitters.htm
Salary for Pipelayers. SEE MORE SALARIES FOR CONSTRUCTION PROFESSIONALS. Pipelayers lay down and position pipe for drains and sewage systems. There is a lot of risk associated with becoming a pipelayer because of the locations where pipelayers work and the tools used while working. To become a pipe layer, some employers require a high school diploma or GED, while some do not. The formal training is subject to the employer's discretion as well.
https://www.recruiter.com/salaries/pipelayers-salary/
In order to become a doctor, you can choose to major in various undergraduate studies, but you will need to take a significant number of classes in science studies. Most accredited programs will require you to successfully complete undergraduate coursework in English, mathematics, and social sciences.
http://www.degreequery.com/which-degree-do-you-need-to-become-a-doctor/
What Pipelayers Do. Lay pipe for storm or sanitation sewers, drains, and water mains. Perform any combination of the following tasks: grade trenches or culverts, position pipe, or seal joints. Excludes Welders, Cutters, Solderers, and Brazers. Pipelayer Salaries.
https://collegegrad.com/careers/pipelayers
Becoming a medical doctor can be a rewarding career choice, allowing you to work in a hospital, medical center, or private practice. As a doctor, your main focus will be to treat patients’ medical conditions by prescribing medications, diagnosing ailments, ordering diagnostic tests, and recording patient information.
http://www.degreequery.com/which-degree-do-you-need-to-become-a-doctor/
Before you can enroll into a medical school, you will need to pass the MCAT, which is a multiple-choice test that covers biology, physical science, verbal skills, writing abilities, and critical thinking skills. Most medical universities utilize your scoring to determine your acceptance for admission.
http://www.degreequery.com/which-degree-do-you-need-to-become-a-doctor/
Pipe Layer Training and Education Program Information. Apprenticeship programs offering pipe layer training, which is available through local unions and contractor organizations, teach aspiring pipe layers how to install pipes of all kinds at construction and building sites.
http://study.com/articles/Pipe_Layer_Training_and_Education_Program_Information.html
Apprenticeship programs in pipe laying teach students how to install pipes through a combination of traditional classroom instruction and on-site training. After completing the program, graduates often need to obtain state licenses or certifications to work professionally in the field.
http://study.com/articles/Pipe_Layer_Training_and_Education_Program_Information.html
what education do pipelayers need
A Pipelayer needs a High school diploma or the General Educational Development.   High school diploma or GED is required for education of pipelayers.