MESA, AZ—A rebar manufacturing plant here was evacuated last week after several artillery shells were found in a shipment of scrap steel. A fire department spokesman said the load might contain more than 100 rounds.

MESA, AZ—Apple Inc. will open a new manufacturing plant here to make glass for the iPhone and other products. The factory will eventually employ 700.

PRESCOTT, AZ—No one was hurt after a severe thunderstorm caused part of the roof at Sturm Ruger’s firearms assembly plant here to collapse.

PHOENIX—GKN Aerospace will open a new 24,000-square-foot assembly plant here to make nacelles for jet engines.

GOODYEAR, AZ—Monarch Power, a manufacturer of photovoltaic modules, has made an offer to buy Suntech’s solar panel assembly plant here.

PHOENIX—Dalsin Industries Inc., a sheet-metal fabrication and stamping company, plans to open a new manufacturing facility here, creating 35 to 50 jobs.