Show Metal Walkout Spread Looms Lo ms SAN FR FRANCISCO April 21 UP Spread UP-Spread Sp Spread ead of the the bay area me metal al trades trades' strike to other parts parla of northern California was threat threat- threatened threatened ened W Wednesday day when the A A. F L Boilermakers Boilermakers' union disclosed it it Is holding membership meetings to tot t take e necessary action to win wage boosts The boilermakers makers like Ike the striking ing independent International nal Association Association As As- soci of Machinists and fend the AF L molders arc are seeking increases in- in creases s. s of 1 c an hour J i Union l leaders aders met with the California Metal Trades Trade's Wednesday in what the union said may be a final or showdown negotiating ng ngI i I session J If the boilermakers joined the week three walkout It would involve approximately plants from Fresno to the Oregon line Une and idle 2600 members The 1 IA A M Mand Mand Mand and molders already have hav tied up 61 81 bay area p plants ts |