an employee holds silica sand, the base material for making 3-d printing molds - silicaat stockfoto's en -beelden
Silica sand used as a thermal energy storage medium falls into a sack at a solar generation unit inside a Solar Thermoelectric Magaldi pilot plant,...
draad bonder gebruikt voor het bevestigen van silicium chips en elektronische apparaten op een pcb printed printplaat - silicaat stockfoto's en -beelden
Staff Photo by Gordon Chibroski, Monday, April 14, 2003: Using a mask to keep the silica dust from entering his lungs, Payson Wiers , an employee of...
An employee holds silica sand, the base material for making 3-D printing molds, at the Voxeljet AG 3-D printing plant in Friedberg, Germany, on...
Sachets of silica gel sit inside bags of peppercorn at the Starling Ridge office in Phnom Penh, Cambodia, on Monday, April 2, 2018. Cambodia's annual...
sem image of sio2 silicon dioxide empty balls, coated with gold and imaged in scanning electron microscope - silicaat stockfoto's en -beelden
Worker holds a handful of quartz for a photograph in the mixing area at a Pooja Group Of Glass Industries factory in Ferozabad, Uttar Pradesh, India,...
Respiratory Condition Linked To Prolonged Inhalation Of Mineral And Organic Dusts Asbestos, Silica, Etc. . Here, Pleural Plaques Calcification Are...
Silica crystals on the ground in the Valle del Arcoiris or Rainbow Valley near San Pedro de Atacama, Chile.
a vibrating feeder separates large chunks of rock from the silica sand - silicaat stockfoto's en -beelden
stockillustraties, clipart, cartoons en iconen met set van multi-gekleurde geode achtergronden - silicaat
stockillustraties, clipart, cartoons en iconen met ruwe edelstenen, lithografie, gepubliceerd in 1897 - silicaat
Photograph from the collection of pathologist Dr J C Wagner showing a chrysotile asbestos mine in Quebec. Wagner's research, and that of his...
crushed limestone used for aggregate in road and highway construction is piled in a supply yard - silicaat stockfoto's en -beelden
Mike Benziger holds the silica he extracted from a horn that was buried for a year and will spray over his grapes for a better flavor at the Benziger...
State-certified mine technician Christopher Wilson helps maintain the structural integrity of the Hazel-Atlas Mine, a long-dormant operation that...
Silica sand used as a thermal energy storage medium sits in a sack at a solar generation unit inside a Solar Thermoelectric Magaldi pilot plant,...
Cement materials, 1963. Lime and silica make up about 85% of the mass of cement and requires around 80 different operations requiring a large amount...
frac sand processing facility construction near new auburn, wisconsin - silicaat stockfoto's en -beelden
Slurry of cleaned silica sand flows into the wash plant, where the silica sand is washed in preparation for storage at the Wisconsin Industrial Sand...