"filter" newsreels and historical clips

... of silvinite.

The processing plant of the combine.

Operation of the laboratory plant for ore flotation.

Industrial plant for ore flotation.

Vacuum filters for concentrate dewatering.

Ready-made potash fertilizers.

2. Caesium 137.

The patient is given a chest X-ray.

The patient is undergoing X-ray therapy ...

... Verkh-isetskii factory.

Motor boats on the river Iset.

The control panel at the wastewater treatment plant.

Reset wastewater.

The sedimentation tank.

Filter-press.

Solid sludge on the conveyor belt.

Evaporation from water soluble salts.

The pipe from which the atmosphere leaves pure steam.

Man and woman ...

... ore purification from impurities (animation).

Centrifuges.

The final product is a ready-made fertilizer-potassium chloride.

Processing plant.

Vacuum filters with sodium chloride deposited on their grids.

Freight train.

2. Do you know.

The plane is in the air.

The helicopter is in the air.

Cars are racing ...

... dressing technology-animation.

The machine feeds the reagents.

Flotation machines are working.

Vats of the mixture.

Factory territory.

Drum cotton filter.

Copper concentrate.

Apparatus for drying concentrate.

"A non-fictional story."

Professor Boris Vasilyevich Petrovsky listens to the patient with ...

... Pilotmanov looks through a microscope.

"The Wandering Mask".

Actors in the network (Nadezhda Rumentseva).

The screen curtains open.

Lamps.

Screen-filter.

Measuring device.

The cameraman.

Films in the movie camera.

Two films in the camera.

The operator removes it.

"Waves and structures".

Sochi ...

... Cleaning is carried out in several stages.

The first stage - with the help of lattices, large mechanical impurities are retained.

Then the water is filtered through a layer of sand.

Biological impurities are disinfected with chlorine or ozone.

Micro-organisms living in water are visible under the microscope ...

... plunges the spent sand into the dump truck.

Vertical pressure filters with granular loading are used for mechanical cleaning.

Crushed anthracite, expanded clay or sand can be used as a loading.

Under pressure, the waste water is filtered and cleaned.

Oil traps are additionally installed in the oil refining ...

... Coagulation occurs with the added polyacrylamide.

The process of physico-chemical purification in clarifiers is being completed.

A cartoon showing the filtering process.

One of the types of coagulation is flocculation.

A cartoon explaining the flocculation process.

Septic tanks.

The methods of physico-chemical ...

... apples, their transportation to the workshop.

Washing apples and removing defective products.

Apples are crushed.

After fermentation, the juice is filtered and clarified.

Cooking boilers for the production of mashed potatoes.

Product quality control.

Product packaging line.

Removal of air from canned ...

Operators at the control panel.

Control of the catalytic purification of nitrogen oxides.

The pipe with filter.

Factory construction.

Production of ammonia, a man opens the shutter.

Reforming furnace.

Powered homogeneous cleaning.

The specialist conducts research in the laboratory.

Granulation tower ...

... engine (animation).

Device and operation of compressor units (animation).

The scheme of cleaning the air entering the compressor using the engine air filter (animation).

Support of compressed air pressure by means of the pressure regulator installed on the compressor (animation).

... Collective farmers mow hay - LS.

Malkov tells about the family Troparevo (synchronous) - CU.

One of the daughters Troparevo working on the farm - filtered milk - MS.

Milk is poured into jars - CU.

Alexeyev says (synchronously) - CU.

Tractor driven jar with milk - LS.

On rural street is Troparevo with ...