As a general guide, industrial safety helmets should be replaced three years after manufacture, but always check with the manufacturer.
Here we have some example images of different date stamps.
Motivating, Inspiring, Supporting and Serving Sexually Exploited Youth (MISSSEY) MISSEY provides direct services to commercially sexually exploited children and young women, which includes case management, resource services, and our Safe Place Alternative drop-in recovery center.James Besser, the New York Jewish Week columnist, writes: "The supersite, Aish.com, reacting to the blinding speed of changes on the web, [produces] results that will turn most other Jewish content providers green with envy..." features include: Aish.com's impact has been far and wide.A recent survey found that 86% of readers said that has inspired them to do more Torah learning, and 75% said that has led them to increased affiliation with Jewish organizations or increased attendance at synagogue. It touches on some good points regarding the effects of adding stickers with regards to the adhesive and the effect of UV light on hardhats.You can follow the discussion and join the debate on the HSE website. Have a look at the date stamp on your hardhat you might be surprised!