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The skullcap from Trinil, Java is the type specimen for H. erectus and is about 900,000 years old.
Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ...
Use a grinder or a file to remove the mushroom material on the end of a punch or chisel.
A roller cell-type electric fuel pump.
Apply superficial friction with the towel to warm and dry the area.
Action of a type I topoisomerase