Magazines, newspapers, books, catalogues, notebooks, brochures, pamphlets, booklets in the field of dentistry; photographs

Magazines, newspapers, books, catalogues, notebooks, brochures, pamphlets, booklets in the field of dentistry; photographs

Treatment and processing of wood and boards for preservation purposes; woodworking; sawing of timber; mill working of wood; sawmill lanning of timber; Treatment of wood for preservation purposes, namely, kiln drying of timber, saturating of wood, timber impregnation services, timber preservation, and thermal modification of wood