Waste in manufacturing is defined all activities in production that does not add value to the final product. Waste is very commonly found in the production process, but unfortunately sometimes not realized by the workers in production that they do waste. For that waste in a company needs serious handling, in an organized and sustainable.

Each company has different standards in the categorization and treatment. But in general is the same. Most important is the goal of lean manufacturing is to eliminate waste in production processes.

Waste in question may not have a direct impact on the final product. Waste is an activity that increase the company’s financial burden. Waste in the company’s search is not easy, requiring the concept, research and standardization that can be applied in the production area.

In general, waste is categorized into 7 kinds of waste, or the Japanese term “MUDA”, namely:

1. Action wastage
2. Waiting wastage
3. Stocking wastage
4. Too much manufacturing wastage
5. Carrying wastage
6. Machining and Treating wastage
7. Nonconforming product wastage

All waste will be minimized with 5S visualize clearly. Action example waste, it will not happen if I work, work instructions can be seen clearly legible.