PROBLEM TO BE SOLVED: To provide functional water that can be easily prepared and has various functions. SOLUTION: A functional water comprising polyvalent amines and/or salts thereof as a functional
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest)
FIELD: process engineering. SUBSTANCE: set of invention relates to woodworking, particularly, to chain saws. Chain saw set comprises saw chain (3) and guide (4) for driving said chain along edge (5).