It can affect the skin by contact or the body either through lungs if air is contaminated with chemicals, vapor, mist or dust.

these include insects, bacteria’s, fungi, plants worms animals and viruses.

Equipment such as radioactive gauging devices or the radioactive trace element used in analytical chemistry produce Ionizing radiation.

Extremes of cold or heat can cause problems such as tiredness, vulnerability to infections or reduced capacity to work.

Inadequate lighting levels are a potential safety hazard.

Excessive noise can disrupt concentration, interfere with communication, and result in loss in hearing.

the ‘fit’ between people and their work. covers risk of injury from manual handling procedures

These include a wide range of injury risks as diverse as being caught in or by machinery, buried in trenches or hurt by collapsing machinery.

These include the risk of injury from all forms of electrical energy.