J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Eric's career ...

Pete Rathburn is a copy editor and fact-checker with expertise in economics and personal finance and over twenty years of experience in the classroom. d3sign / Getty Images A blockchain is a secure ...

Abstract: The root-cutting device is a key device in the mechanical harvesting equipment of Chinese cabbage. Aiming at the problems of high energy consumption of Chinese cabbage harvest cutting and ...