id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-458	Gao, Bo	Construction Technology and Key Points of Vertical Transportation in Shaft of Office Building	2022	4	.pdf	application/pdf	3840	165	53	[2] Wei, C. Q., & Gao, X. Q, “Design of control system of construction elevator based on PLC,” Applied Mechanics and Materials, vol. 380, pp. (2) Obvious safety warning signs shall be set within the operation range of shaft type construction elevator, and safety protection shall be done in the centralized operation area.	cache/ajst-458.pdf	txt/ajst-458.txt
