Complex sentence: While glass remained his most commonly addressed medium, he worked with metal, wood, textiles, and has entered homes around the world through his industrial design of upscale, artistically conceived items including cast-iron cookware and porcelain dinnerware.
Split into simpler sentences: While glass remained his most commonly addressed medium, he worked with metal, wood, textiles. Sarpaneva has entered homes around the world through his industrial design of upscale, artistically conceived items including cast-iron cookware and porcelain dinnerware.