Science and technology № 19 (1971)

1. With the brand "BELAZ".

The driver gets into the BELAZ.

A passenger car stops next to BelAZ.

Large details of the dump truck.

Lifting the dump truck body.

The main node of the electrical network of the machine.

Turning the wheel.

BELAZ dump truck on the road.

The dashboard.

Design bureau.

2. In the laboratory of Professor Gul.

Chemical laboratory.

Sorbic acid is added to a glass with agar-agar.

The bacteria did not develop in this environment.

A petri dish with developed bacteria.

Production of escaplen in the laboratory.

Professor Gul and his staff.

Testing of the properties of escaplen in the laboratory.

Film coating of food products.

3. Invisible defenders.

Oak grove.

Leaves damaged by leaf beetle caterpillars.

Large caterpillars.

A pupa on an oak leaf.

Butterfly leaf wrappers.

The eggs of the leaf-wrapper butterfly.

A chickadee brought a butterfly to the chicks.

Ants and caterpillar riders.

Dead pupae.

Bacteria under the microscope.

Cultivation of bacteria in the laboratory.

Testing of a new drug to combat leafhopper in the laboratory.

Spraying insecticide from an airplane.

4. The expedition gets in touch.

Tests in the laboratory of a temporary radio station for the expedition.

Installation of an inflatable radio station mast in the field.

The radio operator transmits a message.

A car with a pneumatic antenna is driving along a forest road.