In 1852 Haktor Thorsen erected two large warehouses on one of his farms in Sunde and started trading and salting herring. This was the start of an industrial adventure that made Sunde into one of the first industrial communities in Kvinnherad.
The three spades in the municipal coat of arms for Modalen are sand spades. Sand quarrying has brought income and employment. As much as 70,000-80,0000 tonnes of sand and gravel left the municipality each year since the turn of the millennium, to be used as cementing sand. Why is Modalen endowed with so much sand?
Steatite is a type of stone that is abundant in Hardanger. There are large steatite deposits in the mountain below Folgefonna. These deposits are visible both in Krossdalen in Jondal, at Kveitno in Odda and at Måge in Ullensvang. There are many traces of steatite quarrying in Hardanger, and one of the largest fields is in the hillside above Måge.