california congressman brad sherman and federal reserve chairman jerome powell discuss the paradox of the federal reserve's measures to control... - 可調較 個影片檔及 b 捲影像02:06
man demonstrates an adjustable ironing board to a woman at a hardware exhibition. - 可調較 個影片檔及 b 捲影像00:11
pregnant woman is using height adjustable standing desk in home office for good posture. with her hand touching her stomach. - 可調較 個影片檔及 b 捲影像00:10
side view of asian pregnant woman having a video call on computer and writing notes while working from home. - 可調較 個影片檔及 b 捲影像00:15
close-up view of an unrecognizable person turning up the volume of the music player system. - 可調較 個影片檔及 b 捲影像00:09噪音
pregnant businesswoman working in her home office. standing by the desk and using computer and taking notes. - 可調較 個影片檔及 b 捲影像00:11
beautiful pregnant asian designer standing and working at an adjustable desk. while her hand rubbed her stomach in her home office. - 可調較 個影片檔及 b 捲影像00:11
close-up of a pregnant female manager standing typing at a healthy adjustable desk. while her hand was touching her stomach. - 可調較 個影片檔及 b 捲影像00:06女人
pregnant woman telecommuting at a flexible workstation, in a height adjustable desk, talking on the headset. - 可調較 個影片檔及 b 捲影像00:08
german motor show in frankfurt; + new synd:germany: frankfurt: intgv motor snow:chevrolet - "monza" ditto:glas" cockpit pair of "glas" cars on... - 可調較 個影片檔及 b 捲影像01:34德國
young woman helping her husband to put frame on the wall in living room at new house - 可調較 個影片檔及 b 捲影像00:21窗簾
man’s hand push button for turn on and turn off water heater and adjust temperature water in the bathroom toilet. - 可調較 個影片檔及 b 捲影像00:10
a man opens an iron pipe in a black vise with a screw handle and a cast-iron. stock video - 可調較 個影片檔及 b 捲影像00:05
decreasing the temperature using the touch screen of a modern smart thermostat - 可調較 個影片檔及 b 捲影像00:08
a scientist uses an l-shaped wrench to tighten a nut on a laboratory-scale single-screw extruder. - 可調較 個影片檔及 b 捲影像00:08
a scientist uses an l-shaped wrench to loosen a nut from a laboratory-scale single screw extruder. - 可調較 個影片檔及 b 捲影像00:15
in a specialized laboratory, a scientist installs a nitrogen pressure gauge valve on cylinders. - 可調較 個影片檔及 b 捲影像00:19
a scientist installing a nitrogen pressure gauge valve on cylinders in a specialized laboratory - 可調較 個影片檔及 b 捲影像00:09
tightening low-temperature tube to scientific machine by using an adjustable wrench - 可調較 個影片檔及 b 捲影像00:18
a male scientist adjusts the focus of her eyes on an optical microscope so that she can examine minute details. - 可調較 個影片檔及 b 捲影像00:09
a female scientist adjusts the focus of her eyes on an optical microscope so that she can examine minute details. - 可調較 個影片檔及 b 捲影像00:07
an optical microscope is being operated by the hand of a researcher who is wearing protective gloves. at the same time, the researcher is concurrently placing a polarizer slide into the instrument and adjusting the focal lens to see into minuscule parts. - 可調較 個影片檔及 b 捲影像00:08
a researcher's hand in protective gloves operates an optical microscope while simultaneously inserting a polarizer slide into the device - 可調較 個影片檔及 b 捲影像00:08
a researcher's hand wearing protective gloves operates an optical microscope while simultaneously inserting a glass slide into the device and adjusting the equipment's focal lens in order to examine minute details. - 可調較 個影片檔及 b 捲影像00:20
a scientist's hand covered in protective gloves using an optical microscope while inserting a glass slide into the device. - 可調較 個影片檔及 b 捲影像00:13
