Male engineer wearing sunglasses on his safety reflective vest while standing at the electric substation, handheld dynamic

male engineer wearing sunglass safety reflective vest standing electric substation handheld closeup eye health eyewear technician electrician electrical person worker employee career safety gear morning afternoon hazardous area substation electrician man maintenance tower guy industry work industrial electric power plant professional high voltage grid distribution electricity equipment service technology engineering construction energy helmet repairman control job france