Working at high place requires the use of fall protection system. The following fall protection systems are correctly used according to its purpose

I.   Fall arrest system helps to prevent workers from falling to the ground.

II.  Fall restrain system helps to hold the workers from falling when they need to work near to the edge.

III. Guardrail prevents workers from falling efficiently when they work at more than 20-meter height.

IV. Safety net helps to prevent workers from hitting the ground when they lose balance and fall off.