Multipurpose vacuum pump
by the VACUUM guy
What?
Vacuum pumps are a quite expensive beast, plus a lot of care has to be taken to not break it due to gasses, acids and so on.
In this guide I’ll describe how to build your own, for a fraction of the costs, and has added benefits...
Hello everyone, and thank you for stopping at my question.
I have more than a kilo of cocaine, but quality does not satisfy me, and not only me. In this regard, it was decide to improve its quality, making it liquid and crystallizing it back. I know about the looses in the process, but I will...
any recommended RC vendors who providing
China RC vendors I think mostly are scam now, but europe vendor in BB forum listing don't provide those, any other vendors suggestion?
During production, there may be situations when highly active reagents get on the skin or mucous membranes. This can be extremely dangerous, so below we will try to disclose the basic safety rules for those whom it may concern.
At first. What you need to know about chemical burns
The most...