Coffee for Factory Workers

In Vietnam's industrial zones, mornings have a familiar scene: streams of motorbikes heading to the factory gates, small roadside stalls with iced coffee, bánh mì and sticky rice ready to go. Workers stop for a few minutes, drink a quick coffee and go in for their shift.

A factory worker's coffee doesn't follow café opening hours or mood. It follows the shift bell, the break and the end of the shift.

The rhythm of shift work

Factories often divide the day into shifts: day, afternoon, night, and in some places shifts rotate weekly. Each shift has a start time, an end time, a meal break and a few short rests.

Within that fixed schedule, coffee has some familiar places:

• Before the shift — at a stall by the gate, in a rented room, or on the way to work.
• The mid-shift break — a few minutes in the canteen, the rest area or by the hot-water corner.
• After the shift meal — the sleepiest time, when many people look for coffee.
• Overtime — busy order seasons, when a shift runs a few hours longer.

The café outside the factory gate

Around many industrial zones there are small cafés that open very early, timed to the start of shifts. Coffee here is often pre-brewed, poured quickly and kept affordable. Iced black coffee and iced milk coffee are the favourites.

The gate café is also a meeting place. Workmates meet before going in, talk about yesterday's shift, wages and bonuses, news from home. For many people working far from their home towns, those minutes at the café are part of life, not just a drink.

The fifteen-minute break

Mid-shift breaks are usually short. In fifteen minutes, people need to stretch, drink some water, rest their eyes. There is no time to wait for a phin to drip.

So break-time coffee is usually quick: instant coffee made with water from the hot-water dispenser, bottled coffee bought earlier, or coffee brewed at home in the morning. In many canteens, a flask of hot water and a few sachets of coffee are enough for the whole team.

Coffee and the night shift

Working nights means working against the body's natural rhythm. Many people use coffee to stay alert in the late hours. Here is some general knowledge worth having:

Caffeine doesn't wear off right away. In adults, the body typically takes around 3–7 hours to clear half of the caffeine consumed, depending on the person. So a coffee near the end of a shift can make daytime sleep restless.

Healthy adults are generally advised to keep to no more than about 400 mg of caffeine a day (EFSA and FDA). Pregnant women and people with heart or stomach problems or trouble sleeping should cut down and talk to a doctor. Coffee helps you stay alert, but it can't replace sleep.

A cup of hard work

In many workers' households, the morning coffee is a small but regular expense, a habit to start the working day. Some only have it on overtime days; others have a cup every morning before their shift for years.

There is no "right" way that suits everyone. Some like iced black coffee to really wake up, some need condensed milk to make it easier to drink, some choose instant because it's convenient. What they share is that the cup is tied to the hours of work, and to the people on the same shift.

Read on

If you often make coffee quickly on a break, Vietnamese Iced Milk Coffee shows how to make iced milk coffee with instant coffee. The next article in this series moves to a very different rhythm: coffee beside the price board in the world of stock traders.