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Time left 0:59.03 Question 3 Not yet answered Some detergents have toxic germicidal properties and therefore can operate at higher temperatures. But their action and therefore efficiency is increased by an increase in temperature Marked out of 1.00 p Flag question Select one: O True O False Purchasing of equipment involves tapping the proper sources of supply such as all the following except: K, PIT Question 4 Not yet answered Marked out of 100 Flag question F Select one: a Unknown online offers b. Equipment catalogues c. Competitor's experiences d. Interviewing salesmen. e. Past experience