1. An incubator provides optimal conditions like temperature, humidity, and gas levels for microbial growth. It maintains these conditions through heating/cooling cycles and insulation. 2. A Bunsen burner is a gas-fueled open flame tool used commonly for sterilization and heating in medical laboratories. 3. Pipettes are used to precisely transfer small volumes of liquids and include manual, disposable, Pasteur, and micropipettes ranging from milliliters to microliters. Micropipettes accurately measure volumes in the microliter range for molecular biology applications.