In fact, the term microwave safe is not regulated by the government, so it has no verifiable meaning. It is often found in plastics marked No. 7, but may also be present in some plastics labeled with Nos. 1, 2 and 5 as well, according to the report. Better to stick to glass or ceramics.
What is BASELINE DATA? The first data that will be compared against future data.
1 As a verb, it refers to total data from smaller units into a large unit. 2  Anonymity -- a research condition in which no one, including the researcher, knows the identities of research participants.  Baseline -- a control measurement carried out before an experimental treatment.