No person shall offer or undertake to carry out electrical work personally unless he has been registered as an electrical worker with the Electrical and Mechanical Services Department. Browse registration requirements and download application forms here.

No person shall do business as an electrical contractor or contract to carry out electrical work unless he has been registered as an electrical contractor with the Electrical and Mechanical Services Department. Read the registration requirements and download the application forms here.

Any person who wishes to become competent for locating underground electricity cables must apply for the approval of the Director of Electrical and Mechanical Services under the Electricity Supply Lines (Protection) Regulation. Find out who may qualify and how to apply.

You need to be registered to carry out gas installation work. Read about the classes of registration and qualification requirements, and download the application forms here.

Anybody who wants to work as a gas contractor in Hong Kong must register with the Government. Find out what is required, how to apply and download the application form here.

Only licensed plumbers may carry out the installation or modification of water services in a building. Learn more about the different grades of licences, qualification requirements and the application procedures.

Anybody who does security work for another person for reward must apply for a security personnel permit. Read the definitions and categories of security work, and find out how to apply for your permit here.

All construction workers who personally carry out construction work on construction sites have to be registered. Read about the different categories of registration, learn how to apply for registration and download the application form here.

You can download application forms here for the examinations to become a Master / Deck Officers or an Engineer Officer on board merchant ships.

Find out how to apply for private and professional pilot licences in Hong Kong. Find out the age, medical and flying experience requirements for application, plus the ground and air examination details here.

Find out how to apply for an aircraft maintenance licence HKAR-66 here. Learn about the different categories of licence, knowledge requirements and examinations.

Want to become a flight engineer? Check out the flying experience and examination requirements, and download the application form here.