Science and technology № 15 (1977)

1. "In the struggle for quality."

Tractors in the field.

Restoration of tractor rollers by electric arc welding.

Laboratory of the Institute of Casting Problems of the Ukrainian Academy of Sciences.

The technology of surfacing parts with liquid metal.

Testing the strength of samples.

Cleaning of tractor rollers before surfacing.

The surfacing line.

2. "Manual radar".

The traffic police helicopter is in the air.

Traffic on the road.

A video camera.

Traffic police post.

A hand-held radar.

A traffic police officer stops a car that has exceeded the speed limit.

3. "Light guide and laser".

An ambulance is on the road (at night).

The doctors are in the operating room.

Doctors and physicists are discussing a new device.

The patient is being wheeled along the corridor on a gurney.

The patient is undergoing a gastroscopy.

Stomach ulcer.

Preparation of the laser installation for the operation.

A light guide carrying a laser beam is inserted into the stomach.

Cauterization of the ulcer.

4. "Plant a forest."

Forest.

Removal of timber from the cutting area.

Planting seedlings in a clearing.

A new method of planting seedlings.

Grown seedlings in a beaker.

The tender roots of the seedlings are protected with two briquettes of peat.

Peat briquettes are fastened with perforated tape.

The roll with seedlings is impregnated with a nutrient solution.

Mechanized planting of seedlings.