Silicones are static, synthetic compounds with a variety of forms and uses. Silicones are heat-resistant and rubber-like. Silicones are used in adhesives, in lubricants, to seal and in medical applications. Silicone includes silicone oil, silicone rubber and silicone grease. Silicones are used in building and construction work. Silicones are used as coatings to protect facades and historical monuments, for window and bathroom seals. Silicones are used by electronics and telecommunications industries to produce optical fibres. Silicones are also used in glues, sealants, pigments, paints, textiles and wire and cables. Silicones are used in electrical insulation and even as prosthetic replacements for body parts.