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plus full trigonometry reference angles
compass and protractor
acupuncturists and other healers for Low-Level Laser Therapy (LLLT) at home
The Super Safe Green Laser Pointer is the ultimate in laser safety at <1 mW (Class 2) low power levels emitting 532 nm light
25-Pack Classroom Periodic Table of the Elements Photo Flyer by Theodore Gray (8.5x11 in.) stem education plus full trigonometry reference anglesThe iconic periodic table poster by author Theodore Gray is now available as an 8. 5" x 11" classroom pack for students! This work of art and science shows real photos of every stable element painstakingly collected and photographed in high resolution. The backside is full of reference information like atomic weight, density, boiling point, and more for the students to reference at their desks when doing calculations. It's a glossy, high resolution
US$ 59749.50
US$ 10.17