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'efficient' - Stock Photos and Vectors - Search

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Light bulb outline vivid colored flat icons in curved borders on white background - Light bulb outline vivid colored flat icons
Compress directory outline multi colored flat icons on plain square backgrounds. Included white and darker icon variations for hover or active effects. - Compress directory outline square flat multi colored icons
Desk lamp outline flat white icons on round color backgrounds - Desk lamp outline flat round icons
Micro sd memory card compress outline multi colored flat icons on plain square backgrounds. Included white and darker icon variations for hover or active effects. - Micro sd memory card compress outline square flat multi colored icons
Desk lamp outline flat white icons on round color backgrounds. 6 bonus icons included. - Desk lamp outline flat round icons
Energy saving fluorescent light bulb flat icons on simple color square backgrounds - Energy saving fluorescent light bulb square flat icons
Energy saving fluorescent light bulb color flat icons in rounded square frames. Thin and thick versions included. - Energy saving fluorescent light bulb outlined flat color icons
Energy saving fluorescent light bulb vivid colored flat icons in curved borders on white background - Energy saving fluorescent light bulb vivid colored flat icons
Compress directory outline flat color icons in round outlines on white background - Compress directory outline flat icons with outlines
Electric radiator white flat icons on color rounded square backgrounds - Electric radiator rounded square flat icons
Desk lamp outline multi colored flat icons on plain square backgrounds. Included white and darker icon variations for hover or active effects. - Desk lamp outline square flat multi colored icons
Desk lamp solid simple icons in color rounded square frames on white background - Desk lamp solid simple icons
Desk lamp solid multi colored flat icons on round backgrounds. Included white, light and dark icon variations for hover and active status effects, and bonus shades. - Desk lamp solid round flat multi colored icons
Energy saving fluorescent light bulb outline multi colored flat icons on round backgrounds. Included white, light and dark icon variations for hover and active status effects, and bonus shades. - Energy saving fluorescent light bulb outline round flat multi colored icons
Energy saving fluorescent light bulb simple icons in color rounded square frames on white background - Energy saving fluorescent light bulb simple icons
Energy saving fluorescent light bulb icons on round color glass buttons - Energy saving fluorescent light bulb color glass buttons
Air conditioner flat color icons in round outlines on white background - Air conditioner flat icons with outlines
Energy saving fluorescent light bulb icons in rounded square color glossy button set - Energy saving fluorescent light bulb color square buttons
Energy saving fluorescent light bulb engraved icons on edged square buttons in various trendy colors - Energy saving fluorescent light bulb engraved icons on edged square buttons
Energy saving fluorescent light bulb multi colored flat icons on round backgrounds. Included white, light and dark icon variations for hover and active status effects, and bonus shades on black backgounds. - Energy saving fluorescent light bulb round flat multi colored icons
Free stock vector Energy saving fluorescent light bulb multi colored flat icons on plain square backgrounds. Included white and darker icon variations for hover or active effects. - Energy saving fluorescent light bulb square flat multi colored icons
Energy saving fluorescent light bulb flat white icons on round color backgrounds. 6 bonus icons included. - Energy saving fluorescent light bulb flat round icons
Desk lamp outline white flat icons on color rounded square backgrounds - Desk lamp outline rounded square flat icons
Energy saving fluorescent light bulb outline flat white icons on round color backgrounds. 17 background color variations are included. - Energy saving fluorescent light bulb outline flat white icons on round color backgrounds
Energy saving fluorescent light bulb outline simple icons in color rounded square frames on white background - Energy saving fluorescent light bulb outline simple icons
Snow shovel tractor flat color icons with quadrant frames on white background - Snow shovel tractor flat color icons with quadrant frames
Light bulb solid flat color icons in square frames on white background - Light bulb solid flat framed icons
Light bulb solid flat white icons on round color backgrounds - Light bulb solid flat round icons
Energy saving fluorescent light bulb flat white icons in square backgrounds. 6 bonus icons included. - Energy saving fluorescent light bulb flat white icons in square backgrounds
Energy saving fluorescent light bulb flat icons on rounded square vivid color backgrounds. - Energy saving fluorescent light bulb rounded square flat icons
Energy saving fluorescent light bulb outline darker flat icons on color round background - Energy saving fluorescent light bulb outline color darker flat icons
Desk lamp outline flat color icons in round outlines. 6 bonus icons included. - Desk lamp outline flat color icons in round outlines
Desk lamp solid multi colored flat icons on plain square backgrounds. Included white and darker icon variations for hover or active effects. - Desk lamp solid square flat multi colored icons
Desk lamp outline white flat icons on color rounded square backgrounds. 6 bonus icons included - Desk lamp outline flat icons on color rounded square backgrounds
Energy saving fluorescent light bulb outline white flat icons on color rounded square backgrounds. 6 bonus icons included - Energy saving fluorescent light bulb outline flat icons on color rounded square backgrounds
Desk lamp outline darker flat icons on color round background - Desk lamp outline color darker flat icons
Energy saving fluorescent light bulb flat color icons in round outlines on white background - Energy saving fluorescent light bulb flat icons with outlines
Light Emitting Diode flat icons on simple color square backgrounds - Light Emitting Diode square flat icons
Energy saving fluorescent light bulb outline flat color icons with quadrant frames on white background - Energy saving fluorescent light bulb outline flat color icons with quadrant frames
Energy saving fluorescent light bulb white icons on edged square buttons in various trendy colors - Energy saving fluorescent light bulb white icons on edged square buttons
Energy saving fluorescent light bulb outline vivid colored flat icons in curved borders on white background - Energy saving fluorescent light bulb outline vivid colored flat icons
Energy saving fluorescent light bulb flat white icons on round color backgrounds - Energy saving fluorescent light bulb flat round icons
Energy saving fluorescent light bulb outline flat color icons in round outlines on white background - Energy saving fluorescent light bulb outline flat icons with outlines
Energy saving fluorescent light bulb outline flat color icons in square frames on white background - Energy saving fluorescent light bulb outline flat framed icons
Energy saving fluorescent light bulb outline flat white icons on round color backgrounds - Energy saving fluorescent light bulb outline flat round icons
Energy saving fluorescent light bulb icons in color illuminated spherical glass buttons on black background. Can be used to black or dark templates - Energy saving fluorescent light bulb icons in color illuminated glass buttons
Energy saving fluorescent light bulb outline flat color icons in circle shape outlines. 12 bonus icons included. - Energy saving fluorescent light bulb outline flat color icons in circle shape outlines
Free stock vector Energy saving fluorescent light bulb flat color icons in square frames on white background - Energy saving fluorescent light bulb flat framed icons
Desk lamp outline flat color icons in round outlines on white background - Desk lamp outline flat icons with outlines
Energy saving fluorescent light bulb outline multi colored flat icons on plain square backgrounds. Included white and darker icon variations for hover or active effects. - Energy saving fluorescent light bulb outline square flat multi colored icons
Energy saving fluorescent light bulb outline white flat icons on color rounded square backgrounds - Energy saving fluorescent light bulb outline rounded square flat icons
Energy saving fluorescent light bulb white icons on round color glass buttons - Energy saving fluorescent light bulb color glass buttons
Energy saving fluorescent light bulb outline flat color icons in round outlines. 6 bonus icons included. - Energy saving fluorescent light bulb outline flat color icons in round outlines
Energy saving fluorescent light bulb white flat icons on color rounded square backgrounds - Energy saving fluorescent light bulb rounded square flat icons
Energy saving fluorescent light bulb dark push buttons with vivid color icons on dark grey background - Energy saving fluorescent light bulb dark push buttons with color icons
Desk lamp outline flat white icons on round color backgrounds. 17 background color variations are included. - Desk lamp outline flat white icons on round color backgrounds
Energy saving fluorescent light bulb flat color icons in round outlines. 6 bonus icons included. - Energy saving fluorescent light bulb flat color icons in round outlines
Energy saving fluorescent light bulb flat color icons with quadrant frames on white background - Energy saving fluorescent light bulb flat color icons with quadrant frames
Energy saving fluorescent light bulb on rounded square carved wooden button styles - Energy saving fluorescent light bulb wooden buttons
Desk lamp outline icons on round glass buttons in multiple colors. Arranged layer structure - Desk lamp outline color glass buttons
Energy saving fluorescent light bulb darker flat icons on color round background - Energy saving fluorescent light bulb color darker flat icons
Energy saving fluorescent light bulb outline flat icons on simple color square backgrounds - Energy saving fluorescent light bulb outline square flat icons
Energy saving fluorescent light bulb white flat icons on color rounded square backgrounds. 6 bonus icons included - Energy saving fluorescent light bulb flat icons on color rounded square backgrounds
Energy saving fluorescent light bulb outline flat white icons in square backgrounds. 6 bonus icons included. - Energy saving fluorescent light bulb outline flat white icons in square backgrounds
Energy saving fluorescent light bulb color icons on sunk push buttons - Energy saving fluorescent light bulb push buttons
Energy saving fluorescent light bulb flat white icons on round color backgrounds. 17 background color variations are included. - Energy saving fluorescent light bulb flat white icons on round color backgrounds
Free stock vector Energy saving fluorescent light bulb round color beveled buttons with smooth surfaces and flat white icons - Energy saving fluorescent light bulb beveled buttons
Energy saving fluorescent light bulb flat color vector icons with shadows in round outlines on white background - Energy saving fluorescent light bulb icons with shadows and outlines
Energy saving fluorescent light bulb icons in round glossy buttons with steel frames - Energy saving fluorescent light bulb round glossy buttons
Desk lamp outline simple icons in color rounded square frames on white background - Desk lamp outline simple icons