heat loss from pipes

2:15

2:15

11:07

12:59

10:17

2:46

4:36

2:46

کوتاه

7:39

1:47

3:07

12:02

3:34

5:01

2:43

5:02

3:50

7:49

5:37

8:00

3:19

2:37

5:10

5:01

کوتاه

3:57

2:14

3:29

3:04

8:00

4:17

7:45

12:20

4:02

7:34

4:51

1:29

3:01

18:55