KA01-2 | For district heating |
KA02-5 | For drainage |
KA03-8 | For electrical equipment |
KA04-1 | For electrical installations |
KA05-4 | For sewage treatment |
KA06-7 | For the gas industry |
KA07-0 | For the oil industry |
KA08-3 | For the storage of natural gas |
KA09-6 | For the treatment of water |
KA10-9 | For use in the water industry |
KA11-2 | For water utilities |
KA12-5 | For electricity production |
KA13-8 | Industrial supply |
KA14-1 | Foul water |
KA15-4 | Steam |
KA16-7 | For the energy industry |