Tools of the trade: micro-drill, phial, light-proof bags and torch.
Preparing to obtain the samples
Drilling the samples in darkness
Checking the drill results
Placing the powder in a secure phial
Tools of the trade: micro-drill, phial, light-proof bags and torch.
Preparing to obtain the samples
Drilling the samples in darkness
Checking the drill results
Placing the powder in a secure phial