With the retail industry supporting 1 in 4 American jobs (per the NRF 2013 Annual Report), it stands to reason that the color and size codes enjoy widespread use across the country and are a vital tool for retailers and suppliers of all sizes.
heirloom noun [C] uk / ËeÉluËm / us âº a valuable object that has been given by older members of a family to younger members of the same family over many years:
An heirloom tomato (also called heritage tomato in the UK) is an open-pollinated (non-hybrid) heirloom cultivar of tomato.he hybrids often exhibit  hybrid vigor  in the first generation, but the second generation tends to exhibit many undesirable recessive traits. Heirloom tomato varieties are open pollinating, and cross-pollination is common without human intervention.