<u>The odd option among these options is </u><u>D. manufacturer's trade name</u>.
<h2>Explanation:</h2>
When someone purchases a chemical or any chemical product, one must handle it safely. I order to keep the substance or chemical safe a sheet is provided which shows the precautions that are required for the safety purpose. This data sheet include the characteristics of the product plus the manufacturer;s details. The trade of manufacturer is not required because it is already understood that chemicals are related to chemists.
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Telescreens are devices that operate as televisions, security cameras, and microphones.
A television is an electronic communication medium that allows the transmission of real-time visual images, and often sound while a telescreen is a television and security camera-like device used to keep things or people under constant surveillance, thus eliminating the chance of secret conspiracies.
It could be employed in secretly investigating criminals and terrorists.
It could also play a major role in politics by investigating suspicious government officials and those that plan Ill towards a nation.
It would definitely be a great idea to install one of such.