Fantasy Survival Guide for Science Students

[No system, farming infrastructure in the early stage, and large-scale navigation and exploration in the later stage. A time traveler with no magic or blood, a science student, starts in a remote fishing village. Others relied on magic and gods, but Lin En relied on nine years of compulsory education and modern science and engineering knowledge. Plant ash plus animal fat? No, this is the "purification holy object" given by the goddess of the lamp! Calcination of limestone and clay at high temperature? No, this is the "god-given fusion mud" that can withstand the storm! Open literacy schools for civilians, print affordable textbooks, break the knowledge monopoly of the nobles, and gradually dismantle magic and witchcraft with physical and chemical knowledge. There has never been any noble blood. What Lin En wants to do is to bring down the entire old world!