🔥⛏️➡️✨

#refining #smelting #ore #metallurgy #purification #heat process

🏭🛢️🔥

#oil refinery #petroleum plant #industrial processing #crude oil #energy production #heat process #rafinarie petrol

♨️💎✨

#annealing #glass annealing #material refinement #heat process #toughening

🔥⏳🪹

#glass blowing #glass making #molten glass #silica sand #furnace work #heat process

♨️🥛🛡️

#pasteurisation #safe beverage #heat process #food preservation #protected drink #bacteria shield