🛢️🔥💧

#water tank #heating tank #knat egarots #boiler #water heating

🔥🫖/⚡️🫖

#kettle #stovetop kettle #electric kettle #teapot #water heating #tea making #teaware

💧+🔥=♨️

#boiling water #water heating #heat transfer #phase change #how to boil water

🏛️💧🔥🏺

#ancient bath complex #roman engineering #hypocaust #roman artifacts #water heating