bunsen burner - angka wajib hadir 2d hk
$800.00
A Bunsen burner is a gas burner that produces smokeless, nonluminous flame for heating, sterilizing, and combustion purposes in laboratory experiments. 99 dalam togel It has seven major components: base, barrel, air regulator, air holes, gas valve, gas nozzle, and gas intake tube The flame produced by the burner can be controlled by two factors: fuel to air ratio and amount of energy The types of flame include safety, medium blue, roaring, and tirrill