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.
Differences between Paleolithic and Neolithic Communities: The Neolithic period is known as the New Stone Age. The Neolithic culture started around 8000 BC in the Middle East and spread to the Mediterranean, South Asia, China and other parts.The major difference between Paleolithic and Neolithic was the option they had chosen for their survival.t was known as Paleolithic culture or Old Stone Age. The Paleolithic era is believed to end around 8,000 years ago. Paleolithic Community: The development of culture during the Paleolithic period was greatly influenced by the environment factors.