These are brought by unhealthy working conditions, poor lighting, poor ventilation, insufficient facilities, inefficient or faulty equipment or machine, and improper work practices like wrong use of knives.
Biological Hazards.
These are brought about by workers infected with diseases or illnesses, unhygienic personal practices that can transmit bacteria, parasites, fungi to other workers and food and equipment being handled. Hence, it is advised that Covid-19 probable cases should be isolated right away.
Ergonomic Hazards.
These are brought by poor posture when working long periods of standing, bending, pushing, lifting, carrying that can cause body stress, muscle pains, and soreness, back injury, numbness of hands, feet and other parts of the body.
Psychological Hazards.
These are brought by too much stress from work that may cause mental emotional strains, anxieties, depression-losing focus on one's work and others
Seiri/sort (Tidiness): throw away all rubbish and unrelated materials
Seiton/set-in-order (Orderliness): set everything in the proper place for quick retrieval and storage
Seiso/sweep (Cleanliness): clean the workplace; everyone should contribute
Seiketsu/standardize (Standardization): standardize the way of maintaining cleanliness
Shitsuke/sustain (Discipline): practice 5S daily to make it a way of life