A TIRE FOR A POWDER TRUCK HAD FALLEN OVER FROM A FUEL TANK THAT IT HAD BEEN LYING AGAINST. AS EE WENT TO PUT IT BACK UP HE HURT HIS BACK. EE WAS ALSO INJURED (HIS BACK) ON 1-17-02 AS HE WAS HO LDING A BAR THAT HAD A MOTOR ON IT. THIS ACCIDENT ON 1-17-02 WAS REPORTED TOO.