pinman
Well-known member
Not sure if this has been posted before if it has I apologize but it shows why you should use dry and preheated molds.
http://www.youtube.com/watch?v=A796N_YZTm8
http://www.youtube.com/watch?v=A796N_YZTm8
A mature person would have put the darn camera down and helped.But god forbid we miss one second of recording.joem said:Trust me on this, no matter many times you tell certain students about safety, young brains just do not work the same as a mature brain.
Yes and you notice they left the white hot graphite crucible on the counter top rather than picking it up with the tongs and placing it on the mold?Claudie said:it's a good thing for them that there wasn't any flammable material close by.
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