5 in notes

vraga -vra- gismu

x₁ is a lever [tool] [of apparatus] for doing x₂ [function/action], with fulcrum x₃ and arm x₄.

See also tutci, pulni.

• jbovlaste

In notes:

pulni

x₁ is a pulley [tool] for performing action/function x₂ rotating on axle x₃.

tutci

x₁ is a tool/utensil/resource/instrument/implement used for doing x₂; [form determines function].

vrajendu

x₁=j₁ is a pivot/fulcrum of lever x₂=j₂=v₁

tekla

x₁ is a button/key (of piano, typewriter, computer) causing event x₂ (property of x₁)

engranaje

x₁ is a gear, gear wheel (toothed)