Study No.1 - This shows how web technology can improve safety systems and management. Study No.2 - This example shows how IT can be used to reduce costs and improve administration, information handling and output assessment. Study No.3- This study is an example of how IT can be used to reduce costs and improve the efficiency of a distribution and supply system Study No.4 - This shows an example of how web technology can be used to reduce costs and improve efficiency and customer service.