Thumb Tack
Brass Thumb Tack *** 3d printable brass thumb tack ... ********************************************** Material: 1) Brass - C orrosion Resistant 2) Other materials 3) Steel Alloys - Corrosion Resistant *************************** Applications : Survey Maps , Floor plans , Street Maps & Paper work a) Survey maps for Pipeline , gas pipelines b) Land Surveys for land elevations to avoid water accumulation near property foundations c) Survey maps d) Assignments & Labs ******************** Other Applications : Calculator , Periodic Table , Dictionary , Audiobook , Software tutorials , Excel Templates , Material Sample , Gaming Content , Apps , Material Test *************************** Relevant Background : "A drawing pin (British English) or thumb tack ...