Method for providing a user with a hearing protection earplug

摘要: The invention relates to a method for providing user with hearing protection earplug including shell be worn at least in part the ear canal of user, comprising: (1) collecting configuration data about audio needs user; (2) inner shape outer and by measuring actual user's canal; (3) determining, based on said data, desired shell; (4) manufacturing determined an additive layer-by-layer build-up process; (5) producing from (6) fitting verifying that complies collected step (1), wherein one steps (2), is carried out transportation hub, mobile location or site company which works.