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Even though industrial workers have been dedicated to industrial development since the industrial revolution, working environment for them remains unchanged with outworn equipment and it risks their safety.
If workers use roll cylinders rather than the original gas cylinders, it would reduce inefficient works and accident rates. Because roll cylinder has a wheel on the bottom, the workers do not have waste their energy on spinning cylinders to transport them. Roll cylinders have wider bottom, and it goes narrower as it goes to the top of the cylinder; therefore, the Roll cylinder increases safety and decreases accident rates.
Incheon, South Korea