Copper raw materials in the workshop gradually melt into molten copper in Anqing City, Anhui Province, China, on July 11, 2025.
technician is checking air conditioner. air conditioning, hvac service technician using gauges to check refrigerant and add refrigerant. - 熔爐 個照片及圖片檔服務, 器材, 修理
October 2025, Saxony, Freital: A scrap basket hangs in an electric arc furnace in a workshop at BGH Edelstahl Freital GmbH. The occasion is the 4th...
a technician in a red vest and hat carefully works on the internal components of a wall-mounted boiler. . - 熔爐 個照片及圖片檔
a technician carefully working on the internal components of a wall-mounted boiler. he is using his hands to make adjustments or repairs to the wiring inside the open unit. - 熔爐 個照片及圖片檔修理, 家用暖氣, 服務
young asian female industrial engineer in hard hats checking steam boiler in chemical manufacturing factory. heavy industry and engineers. - 熔爐 個照片及圖片檔安全, 修理
August 2021, Hamburg: An electric arc furnace on the site of a steelworks of the company ArcelorMittal GmbH. Photo: Jonas Walzberg/dpa鋼鐵廠, 漢堡 - 德國
heating and air conditioning thin line icons - editable stroke - icons include hvac, air conditioner, furnace, heater, cool air, hot air - 熔爐 幅插畫檔、美工圖案、卡通及圖標修理, 服務
Carbon electrodes in the electric arc furnace at the Marcegaglia Steel SpA SMACC meltshop in Sheffield, UK, on Wednesday, March 26, 2025. In...
a technician in a red vest and hat carefully works on the internal components of a wall-mounted boiler. . - 熔爐 個照片及圖片檔安裝, 家用暖氣, 修理
