Pine Bluff firefighter Larry Murray explains and demonstrates the use of a thermal imaging camera to second-graders at Lighthouse Charter School during a visit Tuesday afternoon. (Pine Bluff Commercial/Ralph Fitzgerald)

Pine Bluff firefighter Larry Murray explains and demonstrates the use of a thermal imaging camera to second-graders at Lighthouse Charter School during a visit Tuesday afternoon. (Pine Bluff Commercial/Ralph Fitzgerald)

Second-graders, with hands raised, from Lighthouse Charter School ask questions of Pine Bluff firefighter John Buchan as he dons his breathing apparatus during a visit to the school Tuesday afternoon in Pine Bluff. (Pine Bluff Commercial/Ralph Fitzgerald)