1. The insulating effect of styropor is very high.2. Styropor requires no special skills for use in construction due to its easiness of handling.3. In buildings, houses using styropor, there are the dual effects of energy-saving and a pleasant indoor environment due to heat insulation, sound prllf and moistrue proof.4. When a fire brakes out, Eun sung styropor is very safe due to its self-extinguishing properties.5. There are no any harmful chemical substances in styropor products. Styropor is safe for...