IE 419 21 Tool Use - Subactivities 1)F = Fasten; assemble with fingers/tool 2)L = Loosen; disassemble with fingers/tool 3)C = Cut; separate, divide with sharp tool 4)S = Surface treat; apply or remove material from the surface of an object 5)M = Measure; compare physical characteristics of object with standard 6)R = Record; record info with pen/pencil 7)T = Think; eye actions or mental activity to obtain info or to inspect object