environment engineer collect samples of wastewater from industrial canals in test tube, close up hand with glove collect samples of wastewater from industrial canals in test tube. mobile water laboratory check - toxic waste 個照片及圖片檔
chemical plant worker doing a stock inventory of barrels at a distribution warehouse - toxic waste 個照片及圖片檔
the dentist throws the disposable latex gloves into the corresponding trash can after the operation - toxic waste 個照片及圖片檔
biologist in protective workwear collects water samples from the chemical plant. - toxic waste 個照片及圖片檔
