Apprentice question
Field check
Standard work. Do it right, keep moving.
Carpentry framing hammers have a crowned, checkered face that will easily tear thin sheet metal. Always use a dedicated sheet metal duct hammer (tinner's hammer). A tinner's hammer features a perfectly flat, square face for striking seams flat, and a.
['You are setting a Pittsburgh seam lock using a standard claw hammer you found in your automotive toolbox. Every time you strike the metal lip, the rounded face of the hammer leaves deep, ugly circular dimples that distort the flat sheet casing panel.', "Carpentry framing hammers have a crowned, checkered face that will easily tear thin sheet metal. Always use a dedicated sheet metal duct hammer (tinner's hammer). A tinner's hammer features a perfectly flat, square face for striking seams flat, and a. The likely recovery is to check the tool setup, correct the prep or technique if it is within your assignment, and bring the journeyman or foreman clean information before the work creates rework overhead."]