Mackintosh also worked in interior design, furniture, textiles and metalwork. This includes sculpture, painting, mosaics, metalwork, embroidery and even architecture. Brabham attended technical college, studying metalwork, carpentry, and technical drawing. Its design holdings include Europe's pre-eminent collections of ceramics and fine metalwork. They were experts in metalwork, pottery, and weaving raffia cloth. Medieval Europe is represented by sculpture, metalwork, and stained glass. Aside from metalwork and painting, mosaics are another significant form of surviving Macedonian artwork. The Minoans created elaborate metalwork with imported gold and copper. Metalwork, including decoration in enamel, became very sophisticated. In the European Middle Ages goldsmiths used engraving to decorate and inscribe metalwork. There is intricate detail on the room's smaller metalwork, such as doorknobs and hinges. Many of Holbein's designs for glass painting, metalwork, jewellery, and weapons also survive. It has liturgical metalwork vessels and rare pieces of Gothic furniture and metalwork. Industries such as cement production, sugar, fertilizers, textile products, wood products, metalwork and rugs dominate. This introduces interlace, and also uses Celtic motifs drawn from metalwork.