Layer-Cake Plastics
Not Always Made as Simply as Their Appearance and Applications Might Suggest, Plastics Products--Fountain Pens, for Example--Frequently Undergo a Number of Carefully Planned Fabrication Stages
Not Always Made as Simply as Their Appearance and Applications Might Suggest, Plastics Products--Fountain Pens, for Example--Frequently Undergo a Number of Carefully Planned Fabrication Stages