Complex sentence: Sisu S-22s became available in 12 SAT locations in Finland and the company presented a lighter and cheaper model, S-22K, at the Helsinki Domestic Industry Fair in May 1946.
Split into simpler sentences: Sisu S-22s became available in 12 SAT locations in Finland. The company presented a lighter, lower-cost model, the S-22K, at the Helsinki Domestic Industry Fair in May 1946.