Level Adjustment × Required Skills

Reference Ink Marking Technique (1) Safety Work Procedures (1) Scaffolding Utilization Technology (1) Smooth Finishing (1) Stone Laying Technique (1) Substrate Adjustment (1) Substrate Preparation (1) Survey Instrument Operation (1) Surveying Equipment Operation (1) Tile Processing Technology (1) Tool Operation (1) Unit Bath Assembly (1) Use of Measuring Instruments (1) Waterproof Sealing Construction (1) Welding Basics (1) Woodworking tool operation (1) Work Plan Understanding (1)