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Hair Stylist

A hairdresser is a person whose occupation is to cut or style hair in order to change or maintain a person's image. This is achieved using a combination of hair coloring, haircutting, and hair texturing techniques. Most hairdressers are professionally licensed as either a hairdresser, a barber or a cosmetologist.

Hazmat Worker

Hazardous materials (hazmat) removal workers identify and dispose of asbestos, radioactive and nuclear waste, arsenic, lead, and other hazardous materials. They also neutralize and clean up materials that are flammable, corrosive, reactive, or toxic.

Health and Safety Engineer

Health and safety engineers are committed to developing customized procedures and systems that can help keep illnesses and injuries at bay and can prevent property from getting damaged. As part of their job, health and safety engineers inspect safety equipment, entire facilities, and various machinery to identify and prevent potential hazards. ...

Health Educator

As a Health Educator you teach people about behaviors that promote wellness, healthy living and even prevent disease. Through collecting data and discussing health concerns with members of specific populations or communities, you develop and implement strategies to improve the health of individuals and communities. Your patients include: the g...

Health Information Technician

Health Information Technicians, sometime referred to as Medical Records Technicians, work in the Medical Records Department of Hospitals. You are responsible for gathering, organizing and entering the health information into the computer database while verifying accuracy and maintaining the database. Your job may entail working within medical re...


Health care or healthcare is the maintenance or improvement of health via the diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in human beings.

Healthcare Equipment

Healthcare Equipment technicians are highly-skilled professionals who specialize in installing, maintaining, troubleshooting, and repairing a wide array of devices used in the healthcare industry. The equipment they handle may range from basic wheelchairs and hospital beds to highly advanced spectrophotometers, blood-gas analyzers, and electroca...

Heavy Equipment Operator

Heavy equipment operators typically work in the construction industry. They have the physical strength, skills, and know how to operate various types of heavy machinery safely and efficiently. They may operate heavy duty excavators, bulldozers, forklifts and cranes amongst others. As part of their job, heavy equipment operators read blueprints t...

High School Teacher

High school teachers teach students in grades 9 through to grade 12. They are responsible for the entire spectrum of their students' education, from planning the curriculum and lecturing in the classroom, to setting and grading tests, working one on one with students if necessary and liaising with parents. A bachelor's degree and a state-issued...


Historians are dedicated to studying, analyzing and interpreting past events, some of which may have happened hundreds of thousands of years ago. In trying to study a particular event or relate multiple events, they get their historical data from various sources including history books, archives and artifacts. Historians trace historical develop...

History Professor

History professors are expert historians and educators. They teach history to college students. The major part of their job involves lecturing history students, creating lesson plans, assigning homework, and setting exam papers. Many history professors do more than just teach students. They also research relevant historical events for various pu...

Hoist Operator

A hoist controller is the controller for a hoist. The term is used primarily in the context of electrically operated hoists, but it is apparent that the control systems of many 20th century steam hoists also incorporated controllers of significant complexity. Consider the control system of the Quincy Mine No. 2 Hoist. This control system include...

Home Health Aide

Home health and personal care aides help people who are disabled, chronically ill, or cognitively impaired. They also help older adults who may need assistance. They help with activities such as bathing and dressing, and they provide services such as light housekeeping. In some states, home health aides may be able to give a client medication or...

Host or Hostess

Hosts or hostesses work in restaurants, pubs, cafes and other types of eateries, where their main responsibilities include greeting diners, escorting them to their reserved table or finding them an empty table if they do not have a reservation and making sure they have everything they need to ensure a pleasant dining experience. They also coordi...

Hotel Manager

A hotel manager or hotelier is a person who holds a management occupation within a hotel, motel, or resort establishment. Management titles and duties vary by company. In some hotels the title hotel manager or hotelier may solely be referred to the General Manager of the hotel. Small hotels may have a small management team consisting of only two...


A housekeeper is hired by a private client or a contractor to maintain the cleanliness of a home or property. Requirements may include general cleaning, laundry, washing windows and perhaps food preparation. Some housekeepers live with their clients and work on a full time basis while others are contracted to work on a prearranged schedule.

Human Resource Specialist

Human resources specialists recruit, screen, interview, and place workers. They often handle other human resources work, such as those related to employee relations, payroll and benefits, and training. Labor relations specialists interpret and administer labor contracts regarding issues such as wages and salaries, employee welfare, healthcare, p...

Human Resources Manager

Human resources managers plan, direct, and coordinate the administrative functions of an organization. They oversee the recruiting, interviewing, and hiring of new staff; consult with top executives on strategic planning; and serve as a link between an organization's management and its employees.

Hydraulic Press Operator

Hydraulic press operators are skilled professionals responsible for the complete set up and operation of hydraulic and mechanical presses that are used to stretch, bend or straighten metal sheets, forgings, metal extrusions and structural shapes. There are no minimum educational requirements to get hired as a hydraulic press operator but you...


Hydrology is the study of the movement, distribution, and quality of water throughout the Earth, including the hydrologic cycle and water resources. A practitioner of hydrology is a hydrologist, working within the fields of either earth or environmental science, physical geography, geology or civil and environmental engineering.