"filter" newsreels and historical clips

... Water in the well.

A cartoon showing the work of a modern well-borehole.

Samples of filters for modern wells.

Waterfall.

Corroded filters.

Methods of recovery of the well flow rate.

Samples of anti-corrosion filters.

A cartoon showing the operation of a radial water intake.

A well in the desert.

Camels ...

... porous membrane in the laboratory.

Production of membranes in industry.

Types of industrial membrane devices (Figure).

A membrane apparatus of the filter press type in the laboratory.

Reverse osmosis apparatus.

... Blowing machines with hot steam at silk mills.

A worker in a special plexiglass mask.

Glasses with special light filters are used in the production of welding work.

Mask-shield with a light filter for welders.

Helmets and safety belts for installers.

Laboratory.

The field of view of the microscope.

Chemical production.

Obtaining dispersed carbon (animation).

Bag filter that captures dispersed carbon.

Granular carbon black.

Central control panel.

A landing plane.

Large:dump truck tires.

Development patents.

Snow-covered riverbank.

Set of the film "The Metaphysics of Love."

Chair with an inscription S. Solovyev.

Operator with camera, lighting puts the filter in the spotlight.

Understudy actor in makeup Turgenev.

Sergey Solovyev directs the film shooting.

Parked cars kinogruppy.

Riders on horseback.

... village Stanowice in the heart of Karlovy vary. (This will create an artificial lake to supply water to the city of Karlovy vary).

The construction of filter systems and water dispenser in Karlovy vary.

First maintenance:

The fuel system is drained of sludge.

The centrifuge of the engine oil filter is flushed.

Prevention of electric transmission machines.

Checking the brushes.

Cleaning of batteries from dust and dirt.

Checking the electrolyte level.

Checking the wires.

Checking the readiness of the ...

... operation.

Second maintenance.

Oil change.

Refueling of oil in guide wheels, support rollers and support rollers.

Lube.

Flushing of hydraulic drive filters.

... of control and start-up devices and resistance panels.

Lubrication of hinge and screw connections.

Third maintenance.

Disassembly of glasses with filtering elements and washing in diesel fuel.

Replacement of lubrication in on-board gearboxes.

Cleaning of the nozzle and ejectors of the cooling system. ...

... TV.

An electro-optical device connected to a TV.

Setting up the equipment.

Shooting the Moon's surface with an infrared filter.

Images of the Moon's surface with and without a filter.

Waterfall.

Production of continuous drum vacuum filters.

The dry residue released by the filter from contaminated water.

Clean water.

Flowers in a clearing.

Baths with artificially grown fish.

In such production, membrane gas separation plants are used to saturate water with oxygen.

A cartoon explaining ...