25. Definitions Volume Two External building means an area defined by the outermost physical parts of the envelope building, normally the cladding and roof. External combustion a method of energy generation in which combustion takes place in a controlled chamber or chambers outside an engine to generate mechanical energy. Farm airstrip and means a facility for the use of aircraft or helicopters integral to the helipad farming use of the lan d. Farm produce in relation to a rural selling place means livestock matter and vegetative matter produced on a farming unit. In the case of vegetation vegetative matter farm produce means any vegetative matter which has not been subject to processing beyond cutting, cleaning, chilling, freezing, grading, packaging and includes the unprocessed extracted juices of such matter. In the case of livestock matter, farm produce means eggs and honey and includes any arts and crafts produced on the property. Farming means a land based activity, having as its primary purpose the commercial production and sale of any livestock or vegetative matter. Farming does not include intensive farming, forestry, and in the case of vegetative matter, does not include the processing of farm produce beyond cutting, cleaning, grading, chilling, freezing, packaging and storage of produce grown on the farming unit. Field capacity means the moisture content of soil when the addition of further water would result in saturation and/or drainage of water from the s oil. Fill, filling and fill means material placed to raise the existing ground level. material Fire break has the same meaning as in Section 2 of the Forest and Rural Fires Act 1977 but does not include an access track. Flood Hazard Area means an area identified on the Flood Hazard Area Maps 1 to 41. Floodway means areas identified in the Floodway Zone. FMU means Freshwater Management Unit. Foreshore has the same meaning as in Section 2 of the Act. Forestry road means a road suitable for use by vehicles which can be a permanent feature on the land, but does not include a harvesting track. Freedom camping has the same meaning as “freedom camp” in Section 5 of the Freedom Camping Act 201 1. Freshwater has the same meaning as in Section 2 of the Act. Freshwater as mapped on the Freshwater Management Unit Maps 1 to 5. Management Unit (FMU) 25 – 8