What’s on the Hearing Protection poster
A 6-row table: Sound · dB · Safe time.
Safe exposure time falls sharply as level rises.
- Conversation — 60 — Unlimited
- Busy traffic — 80 — ~25 hours
- Motorbike — 95 — ~50 minutes
- Nightclub — 100 — ~15 minutes
- Concert front row — 110 — ~90 seconds
- Jet engine, close — 130 — Immediate damage
Decibels are logarithmic: every 3 dB doubles the energy and halves the safe exposure time.
Questions about the Hearing Protection poster
- What’s on the Hearing Protection poster?
- A 6-row table: Sound · dB · Safe time. Safe exposure time falls sharply as level rises. Conversation — 60 — Unlimited; Busy traffic — 80 — ~25 hours; Motorbike — 95 — ~50 minutes; Nightclub — 100 — ~15 minutes; Concert front row — 110 — ~90 seconds; Jet engine, close — 130 — Immediate damage. Decibels are logarithmic: every 3 dB doubles the energy and halves the safe exposure time.
- Who is the Hearing Protection poster for?
- Hearing Protection belongs to the Body & health section rather than to a school year, because health is not something one grade owns. Anyone learning prevention can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the Hearing Protection poster?
- Noise damage is permanent and cumulative. There is no recovery once hair cells are lost. A wall chart earns its place by being glanceable from where the work is happening, so Hearing Protection belongs on the wall where that health work actually happens, within glancing distance, rather than filed away.
- What other posters go with Hearing Protection?
- Air Quality, Antibiotics and Blood Pressure sit alongside Hearing Protection in the Body & health section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Air QualityAntibioticsBlood Pressure
- Is the Hearing Protection poster free to download and print?
- Yes. Hearing Protection downloads as a free PDF with no account, no email and no watermark, like everything else in the Body & health section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the Hearing Protection poster print at?
- Hearing Protection is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Hearing Protection loses nothing.Printing guide
Related posters
Charts that sit alongside Hearing Protection on the same wall.
Browse every Body & health poster, or start from the full catalogue.