I) There are now a vast quantity of consumer products on today's market. II) For this reason, it might be easy for some companies to make a quick profit by selling under-quality goods. III) One way to be certain of fresh produce is to check the sell-by date before you buy. IV) However, consumers are fortunate to be protected from this eventuality by quality standards firms. V) These undertake strict checks on all items for sale and debar companies from manufacturing sub-standard products.