Fig. 1.
Fig. 2.
A summary of identified types of problems along with suggestions for improvements (own research)
| No. | Type of problem identified | Proposal for improvements |
|---|---|---|
| 1 | Incorrect management of desk and shelf for tools and materials | Removing unnecessary items from shelves and countertops and arranging tools and materials |
| 2 | No free movement | Removing obstacles in the form of accumulated waste and poorly located equipment |
| 3 | Storing unnecessary items | Designating a place to store currently unnecessary equipment/materials/tools |
| 4 | Collection of generated waste | Disposing of accumulated waste in accordance with segregation rules |
| 5 | Lack of segregation of tools/equipment/materials | Designation a place for the necessary equipment/tools/materials |
| 6 | Lack of complete documentation in the laboratory | Preparing a place for documentation and moving it from another room |
| 7 | Failure to adequately describe the documentation | Creation labels for each binder with the name of the documentation |
| 8 | Dirty floors, shelves, desks and tables | Performing cleaning activities, i.e. vacuuming, washing floors, etc. |
| 9 | Lack of training of employees in 5S principles | Conducting training in the area of the 5S lean tool |
Questionnaire used to identify problems at the laboratory workstation (own research)
| No. | Question | Answer | |
|---|---|---|---|
| Yes | No | ||
| 1 | Are there unnecessary items in the laboratory (e.g. tools, materials) that should be stored elsewhere? | ||
| 2 | Is waste collected in the laboratory? | ||
| 3 | Is the laboratory kept clean? | ||
| 4 | Is it possible to move freely in the laboratory? | ||
| 5 | Does the search time (including the time of movement from the workstation and the search time) of tools/equipment/materials exceed 30 seconds? | ||
| 6 | Is there difficulty locating tools/equipment/materials? | ||
| 7 | Have laboratory technicians received training in the 5S lean tool? | ||
| 8 | Are there dangerous items in the laboratory? | ||
| 9 | Is there complete documentation in the laboratory? | ||
| 10 | Is documentation properly stored and described? | ||