An allergic reaction caused by the skin when it comes in to contact with light.

A kind of fog, which is darkened and becomes quite heavy due to the presence of fine droplets of various chemicals and ozone, usually caused by the reaction of sunlight with automobile

Any substance/ material which can be broken down in to its constituent forms, due to the reaction that is caused when it comes in to contact with the UV rays of sunlight.

A software developed by Adobe Systems Inc. used primarily for editing photos. It contains a variety of filters and effects, as well as tools which can be used to manipulate a picture

A naturally induced process by which plants make their own food. The presence of oxygen and sunlight is very important for this process to take place. Photosynthesis is the reason for the

A photovoltaic cell is a cell that has the ability to convert natural, or synthetic light in to electricity. It is commonly referred to as a solar cell.

A method that is used in large scale water treatment plants. The physical process includes filtration and air stripping, while chemical cleaning includes coagulation, ozonization and the induction of chlorine.

A recruitment method used to test the physical skills of an individual. For instance, the movement speed of the arm, reaction times as well as the right use of fingers is tested.

The physical features of a person or something. Personal characteristics might include weight, volume, shape, color, etc.

To gain physical possession of any asset or record, after gaining authority from the legal custodian. Or, it could also mean to legally restrict a person within a confined space.

Any physica danger that might be caused to a third party material. For instance, fire is a physical hazard.

Any activity that is designed to bring about a motivation in a person to do better. Examples of physical motivators include climbing, running, hiking, amongst others.

A safety measure that is taken in order to prevent oneself from harm/ injury that might be caused due to the surroundings. For instance, placing a burglar alarm is a physical safeguard

A quantitave estimation taken to analyze all of the requirements which must be fulfilled for any production process to take place. For instance, the requirements of the machine, the method of calculating

Something that is related to the human body, or any living organism for that matter.

A legal document which provides guarantee on the part of the exporting country, stating that the agricultural shipment has been thoroughly checked, and contains no plant diseases or any dangerous pests.

Any substance which can prove to be toxic for plantation is ‘phytotoxic’.

A method by which substances that can contaminate the soil are removed from the soil through the plantation of new plants.

Picketing is the name given to the industrial action usually taken by workers of a trade union, known as pickets, who assemble in front of the company, or the home of the

A cleaning method used for removing the dirt off metals. Generally, a powerful acit is used at 80 degrees Centigrade, in order to to remove rust, dirt, or oil.