red horseshoe magnet with magnetic strength sign on a blue background. u-d magnet icon.

font text brand logo line diagram circle number presentation cartoon label advertising document poster signage screenshot organ design symbol red horseshoe magnet magnetic strength sign blue background u-shaped icon negative force science power waves graphic education magnetic attract simple steel electric magnet pole north energy horseshoe isolated shape technology element art object symbol electromagnetic black concept design metal sign vector attractive iron equipment line field icon background natural attraction ferromagnetic flat magnetism polarity