Two common tools used in the lab to inoculate media are inoculating loops and inoculating needles. Inoculating loops, typically made of metal or plastic, are used to transfer and spread microorganisms onto solid media surfaces. Inoculating needles, which are also made of metal or plastic, are primarily used for stabbing into semi-solid media to create deep cultures or for transferring small amounts of liquid cultures. Both tools are sterilized before use to prevent contamination.
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