One Point Lesson (OPL)

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Definition: One Point Lesson (OPL)

One point lesson (OPL) is a simple yet powerful operational tool used to educate operators in an organization and improve product or service quality. The main point of learning for a particular process is written in one to two sentences, accompanied by simplified but explanatory diagrams. An ideal one-point lesson should be prepared within half an hour, comprehended in 10 minutes and have 80% diagrams and 20% text.

Objectives of use

  1. Achieving single standard of work across operators and shifts
  2. Develop clear learning of the process, machine and the line for the operator
  3. Such an understanding will also reduce defects by preventive maintenance of defects


Types of OPL

  1. Basic information sheet: Providing practical know-how of components, machines, method and maintenance
  2. Problem case study sheet: Educating tackling of an actual problem that had happened in the past
  3. Kaizen lesson: How productivity and quality can be improved in small continual steps


Key suggestions for OPL preparation

  1. One and only one point should be mentioned on a single sheet of paper
  2. Language used has to be simple and devoid of jargons as far as possible
  3. As many as possible senses (visual, auditory, tactic, olfactory) should be addressed
  4. All of the text should be in upper case



Hence, this concludes the definition of One Point Lesson (OPL) along with its overview.

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