Simplify the following text for a Grade 19 native English-speaking person.
Original: Polyurethanes are widely used in high resiliency flexible foam seating , rigid foam insulation panels , microcellular foam seals and gaskets , durable elastomeric wheels and tires , automotive suspension bushings , electrical potting compounds , high performance adhesives , surface coatings and sealants , Spandex fibers , seals , gaskets , carpet underlay , and hard plastic parts ( such as for electronic instruments ) .
Simplified: Polyurethanes are widely used in high resiliency flexible foam seating , rigid foam insulation panels , microcellular foam seals and gaskets , durable elastomeric wheels and tires , automotive suspension bushings , electrical potting compounds , high performance adhesives and sealants , Spandex fibers , seals , gaskets , carpet underlay , and hard plastic parts .