Pliofilm plastic (rubber hydrochloride) and applications in raingear, food packaging, a transparent dress. Also, hybrid giant vegetables; plastic contact lenses; the nature and prevention of... Read allPliofilm plastic (rubber hydrochloride) and applications in raingear, food packaging, a transparent dress. Also, hybrid giant vegetables; plastic contact lenses; the nature and prevention of dust explosions.Pliofilm plastic (rubber hydrochloride) and applications in raingear, food packaging, a transparent dress. Also, hybrid giant vegetables; plastic contact lenses; the nature and prevention of dust explosions.