An other diy smoke machine but with glycerine If you search on "micro smoke machine diy" you'll find all kind of solutions :-)

I saw a set-up with a vape (electronic cigarette) a while back. But I can't find it anymore. 5 minutes later :) Found an other example used in cosplay but the same method How the make a mini smoke machine from an e-cigarette.

Front and back of the medical sheet

our kits are used on several kind of trips - exploration trips - multi day expedition exploration trips - classical trips That’s whe why our kits have some extra’s such as water cleaning tablets, differen pain killers and a document to write down the status of a victim to take out of the cave...

Elastic/stretch bandage

This size of case sits perfectly at the bottom of a tackle bag. No problem at all

The following pics are from our club first aid kits which everybody uses during trips. These are maintained on a regular base so that they are always complete.

I'm not sure why. But probably just to avoid to become hang up with the straps or edge of the helmet to an outcrop of the ceiling. That's the reason why I also do it in other low sumps/ducks

Have been using a ventilation tube also as Voice tube in an 40m long dig in France to communicate with people outside Other clubmembers used a voice tube through a sump when free diving it to know of the previous person passed the sump so the next person could follow. At 2:26 in the following...

Online info about the doubs Doubs online The site contains al information about the Verneau and a seperate page with some classical caves in the doubs which are bolted, and much more info Bolted caves in doubs

The best books for the doubs can be found at the following shop : Gipek book page Book 1 - 4 are the original books Book 5 is an update on the 4 previous books

an other alternative are drive plates. Perhaps you can find a damaged one at local building site that you can pick up after asking off course. A 6-pack of beer does wonders sometimes ;-) drive plate

I can't send you one but I can share you what we use as sheeting. These are preformed decking sheets, stronger than flat sheets and lightweight . Picked up on free-cycle group of building materials.

Depeche Mode (since 1980)

for caving project Traqua sponsors caving project with meters Traqua sponsorshios