Materials and surface-platings

Code	Materials:		Code	Surface-platings:
(1 ) (2 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) (9 ) (0 )	AL = aluminium BE = beryllium BZ = bronze CN = cuprous nickel CU = copper FS = spring steel MS = brass NS = german silver RF = stainless steel ST = steel NI = nickel HP = hard paper PR = pressboard PA = polyamid / nylon PC = polycarbonate PE = polyethylene PP = polypropylene PS = polystyrene PV = polyvinylchlorid TF = polytetrafluorethylene HDPE = High Density Polyethylen		( 0) ( 1) ( 2) ( 3) ( 4) ( 5) ( 6) ( 7) ( 8) ( 9)	bl = clean ag = silver-plated au = gold-plated br = burnished cm = tin-plated culmo ni = nickel-plated op = optalloy-plated sn = pure tin-plated sn = tin-plated zn = zinc-plated