鋳造職人
高岡銅器仕上部門伝統工芸士
Lit bunsen burner
Burning aluminium
Burning iron
Iron filings in a bunsen flame
原型師(鋳物原型職人)
ガスバーナーで切断した鉄骨
Bunsen burner
Water being heated
はんこ職人
Test tube of sulphur and iron mix
Burnt copper
Copper flame test
Heating an iron nail
Germany, Bavaria, Bunsen burner with protection goggles
Copper chemistry experiment
Heating zinc in a flame
Flame test on sodium
Lithium flame test
Calcium flame test
Burning magnesium
Heating sugar
Producing gas
Heating water and copper sulphate
ガスバーナー
ガスコンロ
Evaporating water using a sand tray
Conical flask on a tripod containing water being heated
Heating water
Heating magnesium in a flame
Bunsen burner with pilot light
Convection experiment with paper dots
Heating zinc oxide
Heating sulphur
Strontium flame test
Flame test on potassium
Barium flame test
Potassium flame test
Sodium flame test
Chemistry apparatus
Copper powder being heated
Orange juice being boiled on a Bunsen
道路の消火栓の補修工事
Heating copper sulphate solution
家具職人
簾職人染谷
道路工事現場のアスファルト
Stove in restaurant kitchen
Organic synthesis
Conduction of heat
Copper carbonate being heated
Iron filings being heated
Aluminium chloride preparation
Distillation apparatus
道路工事のガスバーナー
道路工事用のガスバーナーの噴射口
熱気球