Metal IndustriesThe metal industries process non-ferrous metals like aluminium, copper, and zinc, and ferrous materials like steel.Non-Metallic Minerals IndustryNon-metallic mineral products deal with the production of cement, ceramics, glass, and lime. Forest-Based IndustriesThe forest-based industries consist of woodworking, furniture, pulp & paper manufacturing and converting, and printing.Industrial SystemsIndustrial systems are made up of input, processes, and output. The input of raw materials, labour, land, power, and other infrastructure and the process is the plan the manufacturer has of how to turn raw materials into finished products of value. And then finally, the output is the end of a product from which the income has been earned. Industrial ClustersThe industrial clusters occur when various industries are located close to each other and share the benefits of their closeness. Some of the major industrial clusters in India are given below:Mumbai-Pune clusterBangalore-Tamil Nadu regionHugli regionAhmedabad-Baroda regionChota Nagpur industrial beltVishakhapatnam-Guntur beltGurgaon-Delhi-Meerut regionKollam-Thiruvananthapuram industrial cluster