Factory and trade waste 15 Experimental research 7 Refuse and refuse disposal 7 latin square design 7 Economics 6 factorial experiments 5 Bioremediation 4 Conflict-- Development of Industry-- Factories 4 Factories act 4 Factory 4 Factory and trade waste-Management 4 Factory management 4 Management 4 Factorial analysis 3 Factorial experiments 3 Analysis of variance 2 Biodegradation 2 Child Labour-- Trade Union Act-- ESI Act-- EPF Act-- Factories Act 2 Correlation 2 Cost Accounting 2 Environmental aspects 2 FACTORIAL DESIGN 2 FLR 2 Factories and labour reports 2 Factory and trade waste-Purification 2 Hazardous wastes 2 History of the tellicherry factory 2 Insurance 2 Marine pollution 2 Pollution 2