Chemical safety goggles
The goal of this project is to determine the amount of acid in different types of vinegar using titration with a colored pH indicator to determine the endpoint. Vinegar is a solution made from the fermentation of ethanol (CH3CH2OH), which in turn ... [... more] Science Buddies
How to Create a Hole in a Cabochon for Jewelry
Drilling a hole in a cabochon can be a bit tricky. It is easy to ruin a diamond bit by applying too much pressure. Follow these steps to be successful in drilling a hole in a cabochon or gemstone for jewelry making. Put on safety goggles. Fit the ... [... more] eHow
Bleaching to Lighten Wood & Remove Stain
Bleaching furniture with two-part hydrogen peroxide (this tutorial) Plan quick access to water for rinsing spills or splatters. Wear safety goggles and if your skin or eyes are exposed to bleach, immediately rinse thoroughly. If bleach does come ... [... more] Easy 2 DIY
Attaching Objects to Masonry Walls
Here's how to meet the challenge of hanging pictures and other objects on a brick wall. Alway wear safety goggles when drilling or nailing into masonry. Drive hardened masonry nails into concrete block or mortar joints. Wear safety goggles when ... [... more] Better Homes and Gardens USA
Setting the New Door In Place
Connect the old wiring to the new at a junction box that, by code, has to remain exposed. Install a few nailers in spots where you need a more solid backer to nail up the drywall. When working with insulation, be sure to wear safety goggles and a ... [... more] DIYnet
Chipper-Shredders
Always wear safety goggles and gloves when operating a chipper-shredder, and never use your hands to push leaves and stems into the hopper. Chipper-shredders are heavy-duty pieces of power equipment that can turn leaves, garden refuse and tree ... [... more] DIYnet