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Agricultural machines invented during agrarian revolution include;Refrigeration machineThe reaperCotton ginCotton pickerCombine Harvester
Advantages of brazing over fusion welding are;Brazing is much fasterBrazing requires less heatBraze welded joints are easier to machineBrazing produces less distorted joints
Advantages of cross pollination are;Improved resistance diseases/pest/droughtHybrid vigour
Advantages of artificial calf rearing in dairy cattle management are;Farmers is able to keep accurate milk yield recordsEasy to regulate the amount of milk taken by the calfCows produce milk even in the absence of the calfAllows for maintenance of high standards of hygiene during milkingHigh possibility of the farmer selling more milk thereby maximizing profits
Advantages of supermarket are;Enjoy good trade discount as they buy goods in bulkOffer lower prices their merchandise than retailersCustomers get what they need under one roofNo haggling thereby saving on timeImpulse buying leads to more salesAvoids debts as they don't sell on credit