body fluids, always wear PPE.
Physical barriers
immune system
body temp
The key factors of active listening are as follows: paraphrasing or rephrasing the message; clarifying, which includes asking questions in order to understand the message; encouraging, which involves using signals to show involvement and interest; and empathizing, which involves showing understanding of the speaker’s feeling, behaviors, and attitudes
Protect contents from contamination
Maintain necessary internal atmosphere characteristics
Provide a tamper resistant seal
Appropriate for the item being packaged
