Displacement pump sprayers attached to a garden hose for spraying liquid herbicides, pesticides, fertilizers and insecticides; Electric and battery-powered hair trimmers; Electrolysis apparatus for hair removal; Hand-operated cleaning tool in the nature of a pick for removing intestines from lobsters; Hand-operated guns for the extrusion of mastics; Hand-operated pumps for swimming pools, aquariums; Hand-operated vegetable peelers; Hand-pumped sprayers for pesticide treatment, janitorial use,...