fiberglass production facility usa manufacturing during daytime — medium tilting shot - 矽石 個影片檔及 b 捲影像00:40
wide tilting down shot of raw glass material for fiberglass manufacturing during dry midday in usa — tilting shot - 矽石 個影片檔及 b 捲影像00:15
molten fiberglass glowing in industrial oven at fiberglass production facility during dry midday in usa — extreme close-up static shot - 矽石 個影片檔及 b 捲影像00:11
close up static shot of molten fiberglass glowing in industrial oven at fiberglass production facility during dry midday in usa — static shot - 矽石 個影片檔及 b 捲影像00:12
wide shot tilting down of raw glass material for fiberglass manufacturing during dry midday in usa — tilting shot - 矽石 個影片檔及 b 捲影像00:14
wide tilting up shot of raw glass material for fiberglass manufacturing during dry midday in usa — tilting shot - 矽石 個影片檔及 b 捲影像00:08
fiberglass production line usa manufacturing during daytime — close-up static shot - 矽石 個影片檔及 b 捲影像00:14
fiberglass production facility usa manufacturing during daytime — medium static shot - 矽石 個影片檔及 b 捲影像00:30
fiberglass production facility usa manufacturing during daytime — medium static shot - 矽石 個影片檔及 b 捲影像00:30
blown fiberglass glowing in industrial oven at fiberglass production facility during dry midday in usa — static shot - 矽石 個影片檔及 b 捲影像00:10
close-up of molten fiberglass glowing in industrial oven at fiberglass production facility during dry midday in usa — zoom shot - 矽石 個影片檔及 b 捲影像00:25
fiberglass production facility usa manufacturing during daytime — medium static shot - 矽石 個影片檔及 b 捲影像00:33
fiberglass production facility usa manufacturing during daytime — wide panning shot - 矽石 個影片檔及 b 捲影像00:22美國
panning medium shot of raw glass melting oven glowing inside fiberglass production facility during dry midday in usa — panning shot - 矽石 個影片檔及 b 捲影像00:11
blowing fiberglass glowing orange in industrial oven at fiberglass production facility during dry midday in usa — tilting shot - 矽石 個影片檔及 b 捲影像00:17
close-up shot of raw glass melting oven glowing inside fiberglass production facility during dry midday in usa — panning shot - 矽石 個影片檔及 b 捲影像00:06
panning close-up shot of raw glass melting oven glowing inside fiberglass production facility during dry midday in usa — panning shot - 矽石 個影片檔及 b 捲影像00:27
fiberglass production facility usa manufacturing during daytime — close-up shot - 矽石 個影片檔及 b 捲影像00:27
blowing fiberglass glowing orange in industrial oven at fiberglass production facility during dry midday in usa — static shot - 矽石 個影片檔及 b 捲影像00:06
panning close-up shot of raw glass melting oven glowing inside fiberglass production facility during dry midday in usa — panning shot - 矽石 個影片檔及 b 捲影像00:08
medium panning shot of raw glass material for fiberglass manufacturing during dry midday in usa — panning shot - 矽石 個影片檔及 b 捲影像00:05
extreme close-up molten fiberglass glowing in industrial oven at fiberglass production facility during dry midday in usa — static shot - 矽石 個影片檔及 b 捲影像00:09
medium panning shot of raw glass material for fiberglass manufacturing during dry midday in usa — panning shot - 矽石 個影片檔及 b 捲影像00:07
molten fiberglass glowing in industrial oven at fiberglass production facility during dry midday in usa — static shot - 矽石 個影片檔及 b 捲影像00:11美國
someone pouring silica gel into a box for drying rose flowers. the process to dry or preserve flowers is pretty simple and easy, when you use a functional and efficient drying material such as silica gel. - 矽石 個影片檔及 b 捲影像00:23
wide shot of a tractor with caterpillar tracks dragging a rake harrow over an agricultural field, blanketed in a layer of volcanic ash from the mount... - 矽石 個影片檔及 b 捲影像00:22
pan left over over an agricultural wheat field, blanketed in a layer of volcanic ash from the mount st. helens eruption ten days earlier usa; 1980... - 矽石 個影片檔及 b 捲影像00:08
scientists discussing column chromatography separation in laboratory. collaboration, expertise, and scientific exploration crucial for advancements in chemistry, biotechnology, and medical research. - 矽石 個影片檔及 b 捲影像00:14
close-up of scientist hand loading chemicals into chromatography column. ensures accuracy during this crucial phase of chemical analysis. - 矽石 個影片檔及 b 捲影像00:13
scientist cleaning chemicals in round-bottom flask for analysis. precision and expertise in scientific experimentation, showcasing the careful preparation essential for accurate results. - 矽石 個影片檔及 b 捲影像00:10
human hand digging in the sand and shiny glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:25
human hand digging in the sand and glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:40
human hand holding and spilling the sand in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:19
human hand holding and spilling the glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:18
takes up fight against silicosis" / washington, dc / ext building / sot frances perkins, secretary of labor: "about 2 million workers in the united... - 矽石 個影片檔及 b 捲影像00:46
human hand grabbing the shiny glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:25
human hand picking up the shiny glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:21
human hand digging in the sand and shiny glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:30
human hand digging in the sand and glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:40
human hand holding and spilling the white sand in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:19
human hand holding and spilling the glass shards in a glassblowing workshop. ready to melt into glass - 矽石 個影片檔及 b 捲影像00:18
the salt marsh: a question of values - part 8 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance o - 矽石 個影片檔及 b 捲影像00:32
the salt marsh: a question of values - part 7 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance o - 矽石 個影片檔及 b 捲影像00:24
