Ear, Nose and Throat Specialist practising at Settlers' Hospital

on DEALING WITH DUST AND NOISE.

Several types of masks, helmets and ear muffs were on display and a decibel meter was available for measuring the noise levels of various power tools.

Some of the major conclusions from Dr van der Meer's presentation are summarized below.

Dr Graeme van der Meer

Measuring noise output

Structure of the ear	Sound levels
Sound production levels	Damage
Ear plugs	Ear muffs
Protection

Simple mask	Mask with different filters
Trend visor	Triton visor
Dust extraction	Dust extraction
Vacuum cleaner	Medium Density fibreboard (MDF)