Battery spot welders are freely available on both Lazada and AliExpress. Without a power supply they are under ฿300 with an integrated battery they run from about ฿500 to ฿900. The connection metal tape is also easy to find, along with the required Kapton tape
I would not advise soldering as the heat required can easily do nasty things to the batteries or charging circuits
It is funny. She saw a deadly shark then walked or swam close to it. Would she do the same if a crocodile? No way. She must be dumb if does not realise sharks can kill.
The US did NOT invent the internet on it's own!
The set of rules (communication protocols) to enable internetworking on the Internet arose from research and development commissioned in the 1970s by the Defense Advanced Research Projects Agency (DARPA) of the United States Department of Defense in collaboration with universities and researchers across the United States and in the United Kingdom and France.
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