The document appears to be a series of CAD practice drawing files from studycadcam.com, with each entry listing numbers that seem to correspond to dimensions or parameters for mechanical drawings. There are 10 entries numbered 121 through 130 that follow a consistent format of the website URL, approval date, design, check, title of the CAD practice drawing, and a series of numbers.

1. STUDY CADCAM
http://www.studycadcam.com 121
ApproveDate
Design
Check
Title
CAD Practice Drawings 121
R24
3840
22
R16
80
R16
42
106
42
80
64
8

2. STUDY CADCAM
http://www.studycadcam.com 122
ApproveDate
Design
Check
Title
CAD Practice Drawings 122
82
84
3072
R10
28
R8
R18
18
48
8
28
70

3. STUDY CADCAM
http://www.studycadcam.com 123
ApproveDate
Design
Check
Title
CAD Practice Drawings 123
40
82
56
30
R10
R27
R10
60
28
3-
20
R30
R27
R84

4. STUDY CADCAM
http://www.studycadcam.com 124
ApproveDate
Design
Check
Title
CAD Practice Drawings 124
90
R28
54
36
16
45
72
R65
R16
100
34
R28

5. STUDY CADCAM
http://www.studycadcam.com 125
ApproveDate
Design
Check
Title
CAD Practice Drawings 125
5020
20
R10
R10
10
2-
116
R40
22
10
R10
4545
R18
R6

6. STUDY CADCAM
http://www.studycadcam.com 126
ApproveDate
Design
Check
Title
CAD Practice Drawings 126
82
35
R12
12
6-
30 30
R12
R12
7
R53
64
55
82
R13
20
R77

7. STUDY CADCAM
http://www.studycadcam.com 127
ApproveDate
Design
Check
Title
CAD Practice Drawings 127
28
10
65
120
R13
R16
R9
54
R22
2614
3-
15
20
8
R8
80
32
R27

8. STUDY CADCAM
http://www.studycadcam.com 128
ApproveDate
Design
Check
Title
CAD Practice Drawings 128
8568
86- 50
223-
R8
45 45
R91
R70
R21

9. STUDY CADCAM
http://www.studycadcam.com 129
ApproveDate
Design
Check
Title
CAD Practice Drawings 129
R64
R80
90
26
R16
R108
R10
R28
30 30

10. STUDY CADCAM
http://www.studycadcam.com 130
ApproveDate
Design
Check
Title
CAD Practice Drawings 130
76
R16
R24
64
10R15
R10
52
40
34
R21
R33
7348
26
12
R21
R12
R4
R25
R45
182-