Grading example sentences

Fertilisers, pesticides and insecticides, which once showed dramatic results, are now being held responsible for degrading the soils.At times additional funds are required for upgrading the technology employed so that the cost of production or operations can be reduced.Therefore, it is important that we should increase food production without degrading our environment and disturbing the balances maintaining it.They undertake various activities such as grading of products, packing into smaller lots, storage, transportation, promotion of goods, collection of market information, collection of small and scattered orders of retailers and distribution of supplies to them.The bacteria responsible for degrading biodegradable detergent feed on it and grow rapidly.