18.1. Major repairs of vehicles, trailers, caravans, boats, bikes and machinery is not permitted on communal areas and driveways on the Premises at any time. Major repair work shall mean work on vehicles, trailers, caravans, boats, bikes and machinery or items of material or equipment that need complete overhaul or substantial replacement of parts, or that require special tools, or that may cause any type of oil or other chemical leakage while repairs are being attended to.