Valid until 17 June 2018 on standard deliveries. Cannot be used in combination with other discount codes. The voucher can only be used for orders containing 5 products max. A combination with volume discounts isn’t possible. Valid on www.spreadshirt.co.uk. Not valid in Spreadshirt’s partner shops.
In particle physics, an elementary particle or fundamental particle is a particle not known to have substructure; that is, it is not known to be made up of smaller particles. If an elementary particle truly has no substructure, then it is one of the basic building blocks of the universe from which all other particles are made. In the Standard Model, the quarks, leptons, and gauge bosons are elementary particles