Hazardous Materials - Overview No. 1 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 4 of 13 4.  Team checks accomplish the following? Choices: To make sure each team member is fit and ready to continue, to make sure each team member’s apparatus is functioning properly, and to give the team a chance to rest. To coordinate with the command center to relay updated information on the progress, and be informed of the progress of other teams that are underground. To find out the O2 pressure of each team members apparatus, and confer with the fresh air base on the best options to continue systematic exploration. Both A and B