INSERT INTO units (name, base_unit, factor, type) VALUES ('min', NULL, 0, 'service');
INSERT INTO units (name, base_unit, factor, type) VALUES ('Std', 'min', 60, 'service');
INSERT INTO units (name, base_unit, factor, type) VALUES ('Tag', 'Std', 8, 'service');
INSERT INTO units (name, base_unit, factor, type) VALUES ('psch', NULL, 0, 'service');
