How To Guide

How to calculate the hearing protection you need: estimate your noise exposure, apply the OSHA NRR derating, and choose earplugs or muffs that get you under 85 dBA.

How to choose disposable gloves by material: nitrile vs. latex vs. vinyl for chemical resistance, allergy risk, dexterity, and cost.

How to size safety glasses for a secure fit: temple length, bridge and lens width, wrap and coverage, and how to stop them slipping or pinching.

How to store respirators, cartridges, and PPE to keep them effective: sealing cartridges, avoiding heat and sunlight, and when storage has gone too far.

How to don and doff a respirator safely: the correct order to put one on, the user seal check, and how to remove and store it without contaminating yourself.

How to adjust a hard hat suspension for a safe fit, how to wear it correctly, and how to read the date code to know when to replace the shell and suspension.

How to test smoke and carbon monoxide alarms the right way, how often to test and replace them, and what the chirps and beep patterns mean.

How to choose cut-resistant gloves by ANSI/ISEA 105 cut level (A1-A9): match the level to your task, balance dexterity, and pick the right pair.

How to verify an N95 is genuine NIOSH-approved: the markings to check, the TC approval number, CDC counterfeit signs, and trusted models to buy.

How to perform a respirator user seal check every time you put one on: the positive- and negative-pressure methods, what pass/fail feels like, and why it is not a fit test.

The roll-pull-hold technique that seats foam earplugs deep enough to actually deliver their rated protection — plus seal checks, common mistakes, and the best plugs to use.