1.Steam fais fab theem: Xyoo 1868, lub tuam txhab British Garrett thiab Cov Tub tau qhia lub ntiaj teb thawj chav ua haujlwm -powered agricultural tsheb laij teb [2].
2.Innovation nyob rau hauv combustion engines: Nyob rau hauv 1892, German-American farmer J. Florich tau tsim ib tug roj av cav- tsav tsheb laij teb, ho txhim kho efficiency thiab portability [2].
3.Globalization thiab popularization: Nyob rau hauv lub lig 1940s, tsheb laij teb tau dav siv nyob rau hauv North America, Western Europe, Australia, thiab lwm yam cheeb tsam los hloov cov tsiaj nyeg yog thawj tsav tsheb nyob rau hauv teb [2].
4.Introduction thiab imitation nyob rau hauv Tuam Tshoj: Western technology tau qhia nyob rau hauv thaum ntxov 20th caug xyoo, thiab nyob rau hauv 1950, Dalian Xiyi Machinery Factory imitated thiab tsim Tuam Tshoj tus thawj ua liaj ua teb log tsheb laij teb
