Screws
Typical screws open a plastic surface filling in a whole in which a screw has been placed. In this way they ensure stable fixing on which one may hang particular items (cupboards, pictures, etc.). Special bolts that are used for joining two elements in a firm and stable way are also known. There are many kinds of bolts: used for wood, concrete, plastics or metal plates. The last ones are commonly used for joining not very heavy elements with metal plates (e.g. fixing upholstery to a motor-car body or the inside equipment in motor industry).
Level: 
Size: 16x12
Photo by: Agita Leimane
Size: 16x12
Photo by: Agita Leimane
Hall of fame 
1. 16:30 (15:15 +1:15)
score: 1000
elkusi +77/81 azi +42/44 jogin +42/46 Paula +31/32 2. 17:11 (15:16 +1:55)
score: 700
kitek +67/76 azi +42/47 x +35/40 Robcio +32/33 elkusi +16/15 3. 19:25 (17:15 +2:10)
score: 500
ale +77/89 x +62/68 azi +53/58 4. 20:13 (19:18 +0:55)
score: 400
elkusi +126/125 azi +66/72 5. 22:31 (21:21 +1:10)
score: 390
elkusi +140/138 adam +37/42 Fabiola +15/23 6. 23:20 (22:10 +1:10)
score: 380
elkusi +94/97 Lida +81/84 mika +17/23 7. 24:47 (17:22 +7:25)
score: 370
fun +133/214 bosorka +48/49 irena +11/16 8. 26:30 (19:10 +7:20)
score: 360
adam +63/100
jojo +56/72 Robcio +24/37 M... +16/32 Kwiecista +14/18 egi +10/10 karo +9/8 9. 28:03 (23:33 +4:30)
score: 350
ale +104/107 ira +37/79 Robcio +32/32 Janek +19/22 10. 28:12 (23:07 +5:05)
score: 340
Lida +100/105 Squirrel +61/94
duow +28/46 Maddie +3/7 11. 28:20 (20:15 +8:05)
score: 330
jkbj +62/88 egi +56/68 grot +29/74 kinia +26/32
mb +19/28 12. 28:42 (24:47 +3:55)
score: 320
elkusi +79/81 markarp +68/103
nb +30/39
sb63 +15/16 13. 29:22 (26:27 +2:55)
score: 310
x +78/92 kkkmmmkkk +72/86 M.P. +38/38 irenka6 +4/11 14. 29:26 (26:26 +3:00)
score: 300
ale +86/87 al +59/91 ptyś +46/51 duśka +1/1 15. 29:37 (28:12 +1:25)
score: 290
elkusi +192/206 16. 30:20 (24:55 +5:25)
score: 280
egi +70/69 adam +63/94
Emma :3 +59/94 17. 31:06 (23:41 +7:25)
score: 270
efka +99/145 M.P. +39/42 jkbj +33/52 Ela +15/42 asia +6/6 18. 31:08 (29:18 +1:50)
score: 260
elkusi +192/213 19. 31:41 (26:56 +4:45)
score: 250
Reni@ +69/84 bosorka +62/77 malaga +45/72 butterfly +16/18 20. 31:51 (26:26 +5:25)
score: 240
adam +95/129 egi +59/74 jkbj +29/42 krzysztof +9/12 21. 32:18 (27:48 +4:30)
score: 230
Angee +114/113 kary +34/86 elkusi +24/24 marusia +20/21 22. 33:16 (32:16 +1:00)
score: 220
elkusi +192/202 23. 34:24 (25:14 +9:10)
score: 210
adam +125/162 elkusi +50/49 Krzysztof +22/50 bobik +3/28 Kuba 0/16 bartek n -8/4 24. 34:36 (29:46 +4:50)
score: 200
adam +175/220
Omar +17/24 25. 36:43 (36:08 +0:35)
score: 190
ggg +161/168 c3po +31/33 26. 36:48 (32:33 +4:15)
score: 180
M.P. +61/71 ulina +55/61 butterfly +53/82 elaw +23/25 27. 36:58 (30:33 +6:25)
score: 170
zadumania +122/181 egi +70/90 28. 37:02 (21:17 +15:45)
score: 160
Lida +79/90 bond +38/71 grazka +36/47 mhg +26/127 kala +13/61 29. 37:36 (24:21 +13:15)
score: 150
NINA +88/139 Teresa +69/89 Emma :3 +35/125 30. 37:37 (33:27 +4:10)
score: 140
ale +88/95 anja +72/98 azi +28/32 aneta +4/16
