Here are 9 technical jobs that don't require a 4-year degree - and are about to see a surge of demand

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General maintenance and repair workers earn $38,300 per year.

General maintenance and repair workers earn $38,300 per year.

Job description: General maintenance and repair workers fix machines and mechanical equipment. They can also repair flooring, plumbing, and electrics.

Degree requirement: High school

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Medical records and health information technicians earn $40,350 per year.

Medical records and health information technicians earn $40,350 per year.

Job description: Health information technicians organize medical data both online and on paper. They must use classification systems to code and categorize patient information onto different databases.

Degree requirement: Postsecondary nondegree award

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Aerospace engineering and operations technicians earn $67,010 per year.

Aerospace engineering and operations technicians earn $67,010 per year.

Job description: Aerospace engineering and operations technicians operate aircraft and spacecraft equipment. They run computer simulations, perform quality assurance, and operate advanced technology.

Degree requirement: Associate's degree

Civil engineering technicians make $52,580 per year.

Civil engineering technicians make $52,580 per year.

Job description: Civil engineering technicians help civil engineers to plan, design, and build highways, bridges, and other infrastructure projects.

Degree requirement: Associate's degree

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Web developers earn $69,430 per year.

Web developers earn $69,430 per year.

Job description: Web developers create and design websites.

Degree requirement: Associate's degree

Dental and ophthalmic laboratory technicians and medical appliance technicians earn $36,690 per year.

Dental and ophthalmic laboratory technicians and medical appliance technicians earn $36,690 per year.

Job description: Dental and ophthalmic laboratory technicians and medical appliance technicians make devices such as dentures, eyeglasses, and prosthetics.

Degree requirement: High school

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Environmental engineering technicians earn $50,560 per year.

Environmental engineering technicians earn $50,560 per year.

Job description: Environmental engineering technicians carry out the plans that environmental engineers develop.

Degree requirement: Associate's degree

Medical assistants earn $33,610 per year.

Medical assistants earn $33,610 per year.

Job description: Medical assistants complete administrative and clinical tasks in the offices of physicians, hospitals, and other healthcare facilities.

Degree requirement: Postsecondary nondegree award

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Boilermakers earn $62,150 per year.

Boilermakers earn $62,150 per year.

Job description: Boilermakers assemble, install, maintain, and repair boilers or other vessels that hold liquids and gases.

Degree requirement: High school