id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajtas-984	Бадалов A.А.; Тухтамишев Ш.К.; Турғунов Ф.И.; Бадалова Д.А.	ELECTRIC BOILER HEATING SYSTEM	2023	3	.pdf	application/pdf	1375	78	61	The types of electric boilers and their operation are described. electric boiler, heating, electric heating.	cache/ajtas-984.pdf	txt/ajtas-984.txt