article_snippet: Pictures show men developing mortar shells from gas canisters and making Pictures own rockets using welding materials.
article_snippet: Basic: The men use basic welding tools to prepare The men mortar shells and other weaponry .
article_snippet: Gas canisters are converted into basic shells and loaded to be fired by mortars .
article_snippet: A man inspects gas canister devices that have been prepared to fired against government forces .
highlights_snippet: Pictures show men preparing shells and mortars in basic conditions .
  