mechanical engineer hand applying grease, metal oil or lubricant to prevent damage, break or wear and tear of heavy machinery. closeup of male workshop mechanic fixing factory manufacturing equipment - 潤滑油 個照片及圖片檔
transparent yellow oil drops, bubbles, molecules. close-up. 3d pattern. healthcare and medicine. cosmetic products for skin care. citrus. vitamin c. - 潤滑油 個照片及圖片檔
close-up top view of clean gel for skin care procedure smeared on pink background. trendy products of the year - 潤滑油 個照片及圖片檔
male mechanics greasing a metal machine part in the workshop and fixing a mechanism for transmitting torque. handyman coating or using lubrication on a steel gear or mechanical device - 潤滑油 個照片及圖片檔
transparent yellow smudged texture. vitamin c. facial serum. antibacterial gel with bubbles. cosmetic products for skincare. - 潤滑油 個照片及圖片檔
petroleum and oil production industry thin line icons - editable stroke - icons include an oil refinery, engineer, oil production, gasoline, pipeline, gas pump, oil well, offshore oil field - 潤滑油 幅插畫檔、美工圖案、卡通及圖標
transparent yellow, orange color oil drops, bubbles, molecules. close-up. 3d vertical pattern. healthcare and medicine. cosmetic products for skin care. citrus. vitamin c. - 潤滑油 個照片及圖片檔
golden oil drops and fluid waves in motion. 3d abstract background with smooth, glossy texture and vibrant yellow, orange tones. beauty, skincare, or science concept. - 潤滑油 個照片及圖片檔
car mechanic is using a multimeter with voltage range measurement to check the voltage level of the car battery. - 潤滑油 個照片及圖片檔
a blue-collar technician in safety gear uses an oil pump tube to collect engine oil for chemical analysis and quality control. concept of lubrication, repair service, industrial maintenance, machine part inspection, and mechanical expertise. - 潤滑油 個照片及圖片檔
consultant scientists are gathering and brainstorming ideas on the results of experiments with liquid chemical components in the science laboratory. - 潤滑油 個照片及圖片檔
kitchen, cleaning and cleaner or housewife washing dirty dishes in the sink at her home. hands and gloves of a woman doing chores, housework or housekeeping in her house to clean the mess away - 潤滑油 個照片及圖片檔
close up of hand car mechanic refueling and pouring oil fill the oil in the engine, maintenance, and performance in auto repair shop. - 潤滑油 個照片及圖片檔
