(i) metals and metals; metalworking; metalworking; metalworking and metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; new metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; metalworking; sea-covering; metalworking; sea-covering; sea-covering; sea-covering; sea-covering; metalworking; seaflooring; sea-covering; sea-covering; sea-covering; construction-building; and metal-making; and metalworking; and metalworking; and metalworking; and metal-making; and metal-making; (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)