You are about ready to start an experiment in which you must use a sharp razor blade to cut a flower stem in half. What are two safety rules you must follow in this investigation?

1. Ensure that your body part is not in the path of the flower stem

2. The razor should not be exposed until it is time to cut.

Explanation:

Sharp objects such as razors, scissors, scarpels etc. are commonly used in laboratory for cutting specimens. However, in order to prevent injury to self and others, certain safety precautions must be adhered to strictly. In tbe case of cutting a flower stem using a sharp razor, some of those safety rules are:

1. It must be ensured that your body part is not in the path of the flower stem; this is necessary in order not to cut oneself. One way to do this is to make sure any body part is distant from the specimen about to be cut. For example, the fingers should be visible and not placed under or too close to the specimen.

2. The razor should not be exposed until it is time to cut; the razor is extremely sharp and hence, takes only a little touch to do damage. The protective covering of the razor should not be removed untimely i.e. before the experiment.

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