In-facepiece dust concentration is changed dozens of times in a matter of minutes due to changes of the size of the gaps between the mask and face. Source. A respirator is a device designed to protect the wearer from inhaling particulate matter, including airborne microrganisms, fumes, vapors, i.e. gases.
Why join Brainly? A community for students. Products of the neolithic culture Steel plows Boats with sails Domesticated dogs Wild figs. the answer would mostly likely be referring to things that actually were of use to the neolithic people and agriculture was the biggest thing making the answer steel plow. anonymous.
New technologies developed in response to the need for better tools and weapons to go along with the new way of living. Neolithic farmers created a simple calendar to keep track of planting and harvesting. They also developed simple metal tools such as plows, to help with their work.uman beings lived in this manner from earliest times until about 10,000 BCE, when they started to cultivate crops and domesticate animals. This is known as the Neolithic Revolution. The Neolithic Revolution was a fundamental change in the way people lived.