GEOLOGICAL EQUIPMENT Map Compass (with clinometer to measure angles) Aerial Photograph Air photo holder/clipboard Notebook with waterproof cover Pencils and waterproof pens Camera, extra film and photoscale Rock hammer/pick and SAFETY GLASSES Hand lens or magnifying glass Sample bags, sandwich bags for small specimens Marker to label samples Pocket knife to test hardness of minerals Bottle of dilute hydrochloric acid (a few drops cause carbonate minerals to fizz) Magnet to test for magnetic minerals Lots of insect repellant HOW TO USE ALL THIS STUFF It might seem like a lot of equipment 
(a few drops; cause; carbonate minerals) Context(a few drops cause,List([422, 439))):(Magnet; to test; for magnetic minerals Lots of insect repellant)
a few drops cause,List([422, 439))
a few drops Magnet
cause to test
carbonate minerals
for magnetic minerals Lots of insect repellant