Band 4+: The diagram below shows how a simple water filter is constructed and how it functions to produce clean drinking water. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. » Write at least 150 words.

THE PROCESS DIAGRAM ILLUSTRATES THE EASY PURIFICATION SYSTEM WHERE IN THE DIRTY WATER GETS CLEAN .

OVERALL, DIRTY WATER POURED IN PLASTIC BARREL AND PASSED THROUGH THREE FILTERS, SAND, CHARCOL AND GRAVEL. WHICH FILTERS DIRTY WATER AND TO GET PURE DRINKIG WATER WHICH IS ALSO STORED IN DRUM.

TO BEGIN WITH FIRST STEP, DIRTY WATER TRANSFERED IN ONE PLASTIC BARREL WHERE DIRTY WATER IS STORED AFTER THAT WATER PASSED IN FERTHER STEPS WHICH IS FILTRETATION. THAT ONE STRAGE DRUM CANTAIN VERIOUS FILTERS. THAN DIRTY WATER ALLOW TO RUN THROUGH 3 DIFFERENT FILTERS WHICH CANTAINE SAND, CHARCOAL AND GRAVEL PASSING THROUGH THAT LAYEARS CLEANED THE DIRTY WATER AND OTHER UNWANTED WAST WAS CLEANED AND GET DRINKING WATER FROM STEPS AND PASSED IN THE NEXT STEPS. IN ADDITION TO THIS, THAT WATER CONVERT IN DIFFERENT STORAGE DRUM BY USING ONE PIPE WHICH CONNETED WITH FILLTERS. FERTHERMORE, ROUND DRUM USED AS A STORAGE WHERE DRINKING WATER STORED ALSO BELLOW THE STORAGE DRUM HAVE ONE OUTLATE FOR DRINKING WATER.