id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajird-1250	S. Ibragimov	INVESTIGATION OF OPERATIONAL PROPERTIES POLYMER MATERIALS	2024	9	.pdf	application/pdf	3536	171	52	Friction forces arise when touching bodies or their individual parts are relatively displaced. These forces are also directed against the movement and they also manifest themselves in the form of friction force.	cache/ajird-1250.pdf	txt/ajird-1250.txt