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Soap is a particularly useful type of bar used for personal cleaning, which increases happiness ("recently took a soapy bath") and lowers the chances of an infection in case they are wounded, and for cleaning wounds in hospitals, preventing infections from developing. It is thus a vital commodity in dwarven health care, and one not traded in caravans: you're going to have to make some soap yourself. Since soap is considered to be a bar it can be used to make constructions and workshops.
Soap is made of two components, lye and fat (either tallow or oil), and requires a dedicated workshop, the soap maker's workshop. It has a somewhat complicated production process; lye must be produced at an ashery from ash, which in turn must be created at a wood furnace from wood logs that must first be cut down. Tallow is rendered from fat from butchered animals at a kitchen, requiring either livestock or hunting activities, while oil must be pressed from seeds or rock nuts at a screw press, which first requires gathering up or growing crops and then processing them at the farmer's workshop. One unit of tallow or oil plus one of lye creates a single bar of finished soap.
|Chop wood||Butcher an animal||Mill seeds with a quern or millstone||Press oil from olives (fruit) in a screw press|
|Make ash in a wood furnace||Render fat in a kitchen||Press oil from seed paste in a screw press|
|Make lye at an ashery||Tallow||Oil|
|Lye||Tallow or Oil|
|Make soap at a soap maker's workshop|
Dwarves do not require soap to clean contaminants such as mud and blood from themselves - if necessary, they will use murky pools, artificial pools of water, brooks, or a well. However, using soap will often generate the happy thought "recently took a soapy bath". It is possible to construct bath-houses (rooms containing pools of water, a soap stockpile, and perhaps a few nice statues) so dwarves living deep underground need not venture to dangerous cave pools or surface brooks to clean off a little mud or bloodstain. For cleaning wounds and preventing infection after surgery, however, hospitals should be kept stocked with a small amount of soap. Soap will get used up as dwarves wash themselves; the current rate seems to be 1/10 a bar per washing, so each bar lasts quite a while.
Dwarves have an internal "dirtiness" level, which gets lowered when they have a bath, lowered further when they have a soapy bath and slowly builds up over time. This "dirtiness" value is connected to the chance of getting an infection if the dwarf is injured, making soap useful as a preventative as well as treatment.
Soap is stored in bar/block stockpiles with the "soap" option enabled.
A convenient way to keep an emergency stockpile of soap is to use it as a building material for workshops or constructions such as walls. When/if you need more soap, you can deconstruct and get the soap bars back. Since soap in a hospital is reserved for hospital use, this is especially useful in case you start to produce soap before setting up a hospital.
|"Soap" in other Languages
[MATERIAL_TEMPLATE:SOAP_TEMPLATE] [STATE_COLOR:ALL_SOLID:CREAM] [STATE_NAME:ALL_SOLID:soap] [STATE_ADJ:ALL_SOLID:soap] [STATE_COLOR:LIQUID:CREAM] [STATE_NAME:LIQUID:melted soap] [STATE_ADJ:LIQUID:melted soap] [STATE_COLOR:GAS:CREAM] [STATE_NAME:GAS:n/a] [STATE_ADJ:GAS:n/a] [DISPLAY_COLOR:7:0:1] [MATERIAL_VALUE:1] [SPEC_HEAT:800] [IGNITE_POINT:10508] [MELTING_POINT:10078] [BOILING_POINT:NONE] [HEATDAM_POINT:10250] [COLDDAM_POINT:9900] [MAT_FIXED_TEMP:NONE] [SOLID_DENSITY:500] [LIQUID_DENSITY:NONE] [MOLAR_MASS:NONE] [IMPACT_YIELD:10000] [IMPACT_FRACTURE:10000] [IMPACT_STRAIN_AT_YIELD:100] [COMPRESSIVE_YIELD:10000] [COMPRESSIVE_FRACTURE:10000] [COMPRESSIVE_STRAIN_AT_YIELD:100] [TENSILE_YIELD:10000] [TENSILE_FRACTURE:10000] [TENSILE_STRAIN_AT_YIELD:100] [TORSION_YIELD:10000] [TORSION_FRACTURE:10000] [TORSION_STRAIN_AT_YIELD:100] [SHEAR_YIELD:10000] no data [SHEAR_FRACTURE:10000] [SHEAR_STRAIN_AT_YIELD:100] [BENDING_YIELD:10000] [BENDING_FRACTURE:10000] [BENDING_STRAIN_AT_YIELD:100] [MAX_EDGE:0] [ABSORPTION:100] [REACTION_CLASS:SOAP] [IMPLIES_ANIMAL_KILL] [SOAP][SOAP_LEVEL:2]
|Creature||Blood • Bone • Cartilage • Cheese • Chitin • Egg • Extract • Fat • Feather • Hair • Honey • Horn • Ivory • Leather • Meat • Milk • Nail • Nervous tissue • Parchment • Royal jelly • Scale • Shell • Silk • Skin • Soap • Tallow • Wax • Wool|
|Plant||Booze • Dye • Extract • Flour • Flower • Fruit • Leaf • Oil • Paper • Plant fiber • Press cake • Seed • Slurry • Wood|
|Inorganic||Ceramic • Clay • Gem • Gypsum plaster • Metal • Milk of lime • Ore • Sand • Soil • Stone • Quicklime|
|Hardcoded||Amber • Ash • Coral • Filth • Glass • Grime • Ice • Lye • Magma • Mud • Pearlash • Potash • Refined coal • Salt • Unknown substance • Vomit • Water|
|Primary Industries||Beekeeping - Farming - Fishing - Gathering - Meat - Poultry - Stone - Wood|
|Secondary Industries||Alcohol - Armor - Arms - Ceramic - Extract - Finished goods - Fuel - Furniture - Gem - Glass - Metal - Paper - Soap - Textile|
|Tertiary Industries||Military - Health care - Noble - Trade|