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UPS in full is Uninterruptable Power Supply.
Uses of soils include;Soils may contain valuable minerals e.g alluvial gold diamondsSoils such as clay are used in making ceramics such as pots and tiles.Soils are used in building and construction e.g clay for brick making and sand for constructionSoil provide physical support on which plants growIt's a medium through which plants absorb water and mineral elements
Uses of chlorine include;Manufacture of hydrochloric acidBleaching agentsChloroformTreatment of water
Uses of fences on the farm are;Control pest and diseasesControl grazing and prevent overgrazingPrevent boundary disputesKeep out intruders and wild animals from the farmAct as wind breaker/soil erosion controlFacilitates mixed farmingCrop rotation is more readily administeredAdd value to the farmPrivacyControl movement of animals and people to avoid formation of unnecessary pathsControl breedingCan be used to confine a specific class of animalsAdd beauty
Uses of iron in pre-colonial Africa were;Making weapons eg swordMaking tools eg hoesMaking ornamentsMaking utencilsUsed as trade commodity. Those who didn't have metal acquired it from others through trade.Medium of exchange ; iron bars were used as currencyMaking coinsWas used for storing wealth, smithers used iron bars as a measure of value.