ID 169642787 © King146 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
wind flow safety air flowing background blow blower building caution sign closeup concept conceptual confine confined construction cooling danger duct emissions entry equipment fan flexible fresh gas industrial manhole site occupational health outdoor plant plumber restricted space steel supply system tank technology testing texture tube uniqueness ventilate ventilating ventilation vessel warning safe work practises worker exhausting inside spaces