-monitoring and carrying out periodic maintenance of domestic wastewater treatment plants- Monitoring water parameters in pond sediments periodically, monitoring LB3 management at LB3 TPS in each workshop, housekeeping waste in the pit area.- Monitoring the land clearing process which includes the process of clearing the area, loading and dumping top soil, loading/dumping biomass, collecting wood, etc.- Assist the supervisor in conducting daily meetings with the mine owner.

- Help input data on waste entering the warehouse. - Ensure that the data matches the input from the user with the incoming garbage. - Sorting waste based on color, material and type. - Grouping waste according to its classification. - Calculating the effectiveness of time in sorting. - Pressing plastic waste to make packing easier. - Ensure that the plastic waste that will be sent to the buyer meets the buyer's requested specifications.

- Carrying out maintenance on electrical parts on textile production machines - Carrying out periodic control of production machines - Carry out repairs to electrical parts of production rooms and machines

Internship / industrial work practice at PT. PLN (Persero) Rayon Weleri Job Description: - Repair house connection meters - Carry out regular repairs and control of medium voltage networks (JTM) and low voltage networks (JTR) - Help input new customer data