"filter" newsreels and historical clips

... 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 ...

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 ...

... 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 ...

... laboratories.

The capillaries close up."

Laboratory of the physiology Institute.

And.P.Pavlova.

Setting which shoot the capillaries.

To install insert the heat filter.

The capillaries of the brain.

Scientists see the capillaries on television.

Close-up: various installation details.

Scientists in the laboratory. ...

... 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 ...

... 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).

...

In the art studio, the teacher exhibits two still lifes.

Students paint a still life.

Changing the ga mma of the still life from the color of the filter.

Students outline a pencil drawing.

The teacher makes comments, shows how to do it.

Blooming lilac.

Sun glare in the forest.

Students with a teacher ...