Of course there are many more... Most firemen work shifts sometimes 36-48 hours ata a time. They maintain a vigilant watch over your city, and respond 24/7/365.  Most are also skilled tradesmen, and licensed general or specialty contractors. They have families, expenses, and college educations to pay for. After a long shift, most get a string of days off in a row.  This "time off" allows them to work a second or third job and thus continue to give back to you. Great deal all around for everyone.