Most workplace accidents are unremarkable. A hand goes where a guard used to be. Someone steps backwards off a platform they have used a thousand times. A cleaning chemical is decanted into an unlabelled bottle on a Friday and used on a Monday. Almost none of them look dramatic from the outside, and almost all of them were possible long before they happened.

That is the useful part. If accidents were random, prevention would be luck. They are not random, which means two separate pieces of work are available to you: removing the conditions that make an injury possible, and being ready for the minutes after one happens anyway. This article covers both, in that order, because the first is where most of the value is and the second is what people ask about only once it is too late to plan.

Start where the risk is created, not where it lands

Safety professionals rank controls in a fixed order, and the order matters more than any individual measure. It runs from most to least reliable:

Eliminate the hazard. Do not work at height if the equipment can be lowered. Do not use the solvent if the job can be done without it.
Substitute something less dangerous. A water-based product instead of a flammable one, a lighter component, a smaller machine.
Engineering controls. Guards, interlocks, extraction, barriers, anti-slip surfaces, automatic shut-offs. These work whether or not anyone is paying attention.
Administrative controls. Procedures, permits to work, signage, training, job rotation, limits on who may do what.
Personal protective equipment. Gloves, glasses, boots, harnesses, hearing protection.
Each step down the list depends more on human behaviour and therefore fails more often. PPE is the last line, not the first, and it protects one person at a time.

Most sites that feel unsafe are not short of PPE. They are managing a hazard at level four or five that could be handled at level two or three. When you review an incident or a near miss, the honest question is not whether the person wore their gloves. It is why the job still required a hand to be in that position at all.

The habits that prevent more than any policy

A written safety management system is worth having, and it is not what keeps people intact. These few practices do most of the work:

A risk assessment that names people, not roles. "The operator checks the interlock" is a sentence nobody owns. "Priya checks the interlock at the start of every shift and logs it" is a control you can audit.
Near-miss reporting that costs the reporter nothing. A near miss is a free lesson: the same sequence, without the injury. If reporting one leads to questions about the reporter's competence, reports stop and the lesson is charged at full price next time.
Housekeeping. Trailing cables, spills, blocked exits and stacked materials cause a large share of ordinary injuries and are the cheapest thing on this list to fix.
Maintenance and isolation. Cleaning, unjamming and maintenance are the tasks where the guard comes off and a hand goes into the machine, which is why they are the focus of every isolation procedure. A formal isolation routine - power off, energy discharged, locked, tagged, tested before anyone reaches in - is the single highest-value procedure on a mechanised site.
Real induction for new, temporary and contract workers. New starters and contractors are over-represented in injuries almost everywhere, because they do not yet know the local shortcuts, the awkward corner or the machine that needs a nudge.
Shift design and fatigue. Night work, long shifts and tight production targets change how people judge risk. This is an engineering decision made by a roster, and it belongs in the risk assessment.

Plan for the person who is alone

Working alone does not create a hazard by itself. It removes the person who would otherwise notice, so an ordinary incident becomes a serious one because nothing happens for an hour. Night shifts, remote sites, early cleaning rounds, maintenance in a plant room and the last person locking up are all worth treating as their own case.

Three decisions cover most of it. How does this person raise an alarm when they cannot reach a phone or a fixed button? Who exactly receives that alarm, and how far away are they at that hour? How will anyone notice if the person cannot raise the alarm at all, for example after a fall? A scheduled check-in answers the third question without any equipment; an alarm device shortens the first two.

The first ten minutes

When something does happen, the sequence below is the part worth rehearsing. It is short on purpose, because people under stress execute short lists.

Do not become the second casualty. Look at what injured the person before you approach: moving machinery, a live conductor, a chemical, an unstable load, a confined space with no breathable air. Make the scene safe or wait for the people who can.
Check the person and get help on the way at the same time. Someone calls the local emergency number while someone else starts first aid. If you are alone, call first and put the phone on speaker; the dispatcher will coach you.
Give the caller something to work with. The site address and the gate to use, the floor and room, what happened, how many people are hurt, and what they are trapped by or exposed to. Send someone to meet the ambulance at the entrance.
Let trained first aiders lead. Do what you are trained for and nothing more. Do not move an injured person unless leaving them there is more dangerous than moving them.
Account for everyone else. In a chemical release, a fire or a collapse, the injured person is the visible problem and the people nearby are the unknown one.
Leave the scene as it is once it is safe. Do not tidy, do not restart the machine, do not dispose of the product or the packaging. The scene is the only honest witness to what happened.

First response by injury type

The notes below are general principles, not a substitute for a certified first-aid course or for the guidance of your local emergency service. Your safety data sheets, your first-aid equipment and the rules where you operate take precedence over anything in this article.

For all of them, call the local emergency number early rather than late. It is easier to stand a response down than to start one ten minutes after you should have.

Severe bleeding. Firm, direct pressure on the wound with a clean dressing or cloth, and keep pressing. If blood soaks through, add another dressing on top rather than removing the first. Use a tourniquet only if you are trained to.
An amputated or partly severed part. Control the bleeding first. Wrap the part in a clean dry dressing, seal it in a plastic bag and keep that bag cool, for example on ice. Never put the part directly against ice or into water. Send it with the casualty.
Burns and scalds. Cool under cool running water for around twenty minutes. Remove jewellery and loose clothing from the area, but leave anything stuck to the skin. Do not use ice, butter, toothpaste or creams. Cover loosely with cling film or a clean, non-fluffy dressing.
Chemicals on skin or in the eye. If the chemical is a dry powder such as cement or lime, brush it off the skin first with a gloved hand or a dry cloth, because water can react with the powder and make the burn worse. Then flush with clean water or an eyewash immediately and for at least twenty minutes, holding the eyelids open and letting the water run away from the unaffected eye. Remove contaminated clothing and jewellery, and contact lenses if you can. Do not cover a chemical burn with cling film. Take the safety data sheet with the casualty so the hospital knows the substance.
Electric shock. Do not touch the person while they are still in contact with the supply. At low voltage, switch the supply off at the source or isolate it before you go near them. At high voltage, including overhead lines and substations, do not approach at all, because the current can arc several metres, and keep everyone well back until the supply authority confirms it is dead. Anyone who has taken a shock through the body needs medical assessment even if they feel fine, because heart rhythm problems can appear later.
Crushing. Call emergency services immediately, and get the crushing force off as soon as you can do so safely, because current guidance is the earliest safe release rather than a wait. Tell the dispatcher how long the person has been trapped and follow their instructions, since after a long entrapment a person can deteriorate suddenly once the pressure comes off. Control any bleeding, and keep the person warm and talking.
Falls, head and neck injuries. Assume a spinal injury after a fall from height. Keep the person still and warm, and do not move them unless they are in immediate danger. The one exception is breathing: an open airway comes before a suspected spinal injury, so if they are unresponsive, open the airway and check breathing, and if they are breathing but cannot safely be left on their back, for example because they are vomiting, roll them onto their side with as little twist to the spine as you can manage. Someone hanging in a fall-arrest harness must be rescued quickly, even if they seem unhurt.
Unresponsive and not breathing normally. Start CPR and send for the nearest defibrillator. The emergency dispatcher will talk you through both.

What an alarm system does, and what it does not

Alarm buttons, lone-worker devices and safety apps do one thing well: they shorten the time between something happening and a human being knowing about it. On a site where the honest answer to "how long before anyone notices?" is measured in hours, that gap is what an alarm is for.

They do not replace anything else. No alarm system decides what is wrong with the casualty, and none of them, ProTechMe included, sends an ambulance on your behalf. The emergency call is still a call a person makes. The first aid is still given by whoever gets there. Treat an alarm as the thing that gets a trained person to the scene sooner, and keep the trained person, the kit and the plan.

After the first hour

Report it properly. Most countries require certain categories of injury, dangerous occurrence and occupational illness to be reported to a national authority within a set period, and the categories are narrower than people assume. Check the rules that apply where you operate, and know the thresholds before you need them.

Investigate conditions, not carelessness. An investigation that ends at "the operator was careless" has found the last link in the chain and stopped. Keep asking what made that action possible, reasonable or necessary: the guard that was awkward to refit, the target that made the shortcut rational, the lighting, the tool that was not available, the induction that never happened.

Look after the people. That includes the injured person during and after their return, the colleague who found them and the person who gave first aid. Practical follow-up matters more than a statement of concern: a phased return, a changed task, someone to talk to.

Then test the response itself. Did the alarm reach anyone? Did the first aiders on the rota actually work that shift? Could the ambulance find the gate? Was the defibrillator where the sign said, and charged? Most organisations review the accident and never review their own response, which is the half they can rehearse.

What to have in place before anything happens

If you want a short list to check your own site against, this is the one worth having on the wall:

A current risk assessment that a person on the floor recognises as a description of their actual job.
An isolation routine for cleaning, unjamming and maintenance, and the locks and tags to carry it out.
Named first aiders on every shift, not on paper, and a way to reach them.
First-aid kit, eyewash and defibrillator that someone checks on a schedule and that everyone can find.
A clear way for an alarm to be raised from the parts of the site where a person works alone or out of sight.
One posted emergency procedure: the number to call, the address and gate to give, who meets the ambulance, who accounts for everyone else.
A near-miss report that takes a minute to file and never rebounds on the person filing it.

ProTechMe builds the alarm layer this article describes: an app, a Bluetooth button, and a standalone GPS alarm for workplaces.

See how lone-worker alarms fit

Preventing workplace accidents, and what to do in the first ten minutes