Centre of Gravity Kit, Weight (lb): 1.2, 14.6, x 5.9, x 1.6in Consists of one support, 5 plumb lines, 1 roll of tape, 5 figures (triangle, L, trapezoid, parallelogram, parallelopiped), helps students in individual research of the center of gravity of a flat body
Forensic Drug Testing a Simulated Immunoassay kit, Presumptive Test is Often Employed First, While There Are Various Forms of Presumptive Drug Testing, Most Common Techniques Are Immunoassay Testing and T