Description
Our channel is an educational project, free use of content is possible only for educational purposes. Any copying of project materials to a third-party resource is possible only if the authorship is indicated and with reference to the channel
youtube.com/channel/UCcivD4DHyhfUwbtgkglD-gA


0:31

Shared 5 months ago

8 views

0:31

Shared 5 months ago

42 views

2:23

Shared 1 year ago

144 views

4:20

Shared 3 years ago

39 views

10:36

Shared 3 years ago

42 views

1:24:48

Shared 3 years ago

102 views

2:30

Shared 4 years ago

60 views

2:29

Shared 4 years ago

84 views

0:09

11

Shared 8 years ago

90 views

4:40

kl9

Shared 11 years ago

177 views