关于视频 Copper
copper (100)
diy (1746)
art (807)
science (925)
aluminum (120)
engineering (556)
generator (100)
aluminium (46)
physics (468)
do it yourself (431)
wire (121)
furnace (45)
dc (49)
voltage (132)
engine (200)
rust (57)
foundry (37)
geometry (159)
restoration (193)
design (995)
cnc (220)
welding (186)
how-to (479)
vintage (228)
workshop (218)
wood (397)
woodworking (378)
casting (94)
batteries (49)
electricity (188)
forge (78)
thermal (52)
flame (24)
panel (75)
burning (28)
oven (29)
ac (58)
electronics (473)
spin (37)
burn (41)
explosion (70)
knife making (63)
tool restoration (39)
woodwork (79)
off grid (84)
metal working (31)
resin (106)
jewelry (89)
maker (259)
jewelry making (34)
electrolysis (27)
distillation (24)
chemistry (269)
scrap (41)
recycling (78)
fail (67)
milling (129)
machining (143)
industrial (86)
technology (1019)
metalworking (63)
lathe (211)
Show More