Knowledge

Plastic film

Source 📝

65: 51: 960: 966: 219: 43: 31: 540: 483: 600: 538:, Baumgarten, Wilfried W., "Apparatus comprising an extruder and a calender for producing sheets and/or foils from plastic or rubber mixtures", published 1992-12-01, assigned to Paul Troester Maschinenfabrik 64: 1567: 478:, Hommes, William J. & Keegan Jr., John J., "Apparatus for drawing plastic film in a tenter frame", published 1991-12-17, assigned to 209:
rubber to retain the properties of rubber and also to prevent dust and other foreign matters from sticking to the rubber while calendering and during storage
1291: 615: 555: 724:
D8136 - Standard Test Method for Determining Plastic Film Thickness and Thickness Variability Using a Non-Contact Capacitance Thickness Gauge
248:
or tubular process forces air into an extruded ring to expand the film. Flat tenter frames stretch the extruded film before annealing.
164: 1284: 730:
F2029- Standard Practices for Making Heatseals for Determination of Heatsealability of Flexible Webs as Measured by Seal Strength
664:
D1204 – Standard Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature
1167: 754: 595:, Schirmer, Henry G., "High strength laminated film for chub packaging", published 1991-08-06, assigned to 1626: 1577: 1546: 354: 709:
D3985 – Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor
1277: 784: 679:
D1938 – Standard Test Method for Tear Propagation Resistance of Plastic Film and Thin Sheeting by a Single Tear Method
733:
F2622 – Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using Various Sensors
479: 453: 706:
D3664 – Standard Specification for Biaxially Oriented Polymeric Resin Film for Capacitors in Electrical Equipment
676:
D1922 – Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method
1269: 809: 138: 1673: 1562: 1541: 1438: 1192: 694:
D2838 -Standard Test Method for Shrink Tension and Orientation Release Stress of Plastic Film and Thin Sheeting
83:
membranes are used to separate areas or volumes, to hold items, to act as barriers, or as printable surfaces.
556:"Heat Sealability of Laminated Films with LLDPE and LDPE as the sealant Materials in Bar Sealing Application" 405: 1668: 1616: 1536: 147:– Polypropylene can be made a cast film, biaxially oriented film (BOPP), or as a uniaxially oriented film. 1609: 1531: 1347: 944: 673:
D1894 – Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting
130: 79:
is a thin continuous polymeric material. Thicker plastic material is often called a "sheet". These thin
874: 849: 685:
D2582 – Standard Test Method for Puncture Propagation Tear Resistance of Plastic Film and Thin Sheeting
499:"Influence of annealing on the microstructural, tensile and fracture properties of polypropylene films" 746:
Jenkins, W. A., and Osborn, K. R. Plastic Films: Technology and Packaging Applications, CRC Press 1992
703:
D3595 – Standard Specification for Polychlorotrifluoroethylene (PCTFE) Extruded Plastic Sheet and Film
592: 535: 475: 1649: 1383: 1182: 1007: 824: 814: 301: 134: 1453: 1443: 1305: 992: 939: 829: 691:
D2732 – Standard Test Method for Unrestrained Linear Thermal Shrinkage of Plastic Film and Sheeting
670:
D1709 – Standard Test Methods for Impact Resistance of Plastic Film by the Free Falling Dart Method
126: 24: 1043: 934: 919: 899: 1458: 1336: 1091: 819: 777: 245: 616:"UNDERSTANDING WHY ADHESION IN EXTRUSION COATING DECREASES WITH DIMINISHING COATING THICKNESS" 50: 1638: 1342: 987: 443: 329: 196: 661:
D1004 – Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
1358: 1353: 1326: 1244: 596: 344: 267:
Coextrusion involves extruding two or more layers of dissimilar polymers into a single film
8: 1488: 1249: 1172: 1086: 1038: 1503: 1421: 1162: 1136: 1106: 1066: 1048: 997: 949: 929: 727:
E1870 – Standard Test Method for Odor and Taste Transfer from Polymeric Packaging Film
651: 421: 241: 235: 170: 514: 1633: 1599: 1519: 1331: 1153: 1071: 770: 750: 721:
D6988 – Standard Guide for Determination of Thickness of Plastic Film Test Specimens
667:
D1593 – Standard Specification for Nonrigid Vinyl Chloride Plastic Film and Sheeting
449: 334: 313: 276: 202: 179: 99: 35: 554:
Yuan, Cheng See; Hassan, Azman; Ghazali, Mohd Imran Hj; Ismail, Ahmad Fauzi (2007).
260:
Skiving is used to scrape off a film from a solid core (sometimes used to make PTFE
1524: 1219: 1121: 1096: 1028: 894: 889: 834: 627: 567: 510: 417: 309: 261: 118:
Almost all plastics can be formed into a thin film. Some of the primary ones are:
1299: 1388: 1374: 1239: 1126: 1116: 884: 749:
Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009,
364: 305: 743:
Hawkins, William E, The Plastic Film and Foil Web Handling Guide CRC Press 2003
715:
D5047 – Standard Specification for Polyethylene Terephthalate Film and Sheeting
125:– The most common plastic film is made of one of the varieties of polyethylene: 1417: 1229: 1131: 1002: 1662: 1604: 1411: 1197: 1187: 1177: 1081: 982: 904: 854: 631: 317: 289: 227: 144: 54: 1214: 1076: 1023: 924: 869: 844: 700:
D3420 – Standard Test Method for Pendulum Impact Resistance of Plastic Film
658:
D882 – Standard Test Method for Tensile Properties of Thin Plastic Sheeting
379: 369: 122: 1470: 959: 86:
Plastic films are used in a wide variety of applications. These include:
1407: 1379: 1314: 1234: 1033: 914: 909: 697:
D2923 – Standard Test Method for Rigidity of Polyolefin Film and Sheeting
374: 349: 174: 91: 69: 1483: 1111: 1101: 718:
D6287 – Standard Practice for Cutting Film and Sheeting Test Specimens
270: 192: 185: 107: 103: 58: 571: 244:
film can be stretched, thinned, or oriented in one or two directions.
1572: 1478: 1448: 1318: 879: 864: 839: 384: 339: 150: 87: 498: 1493: 359: 297: 251: 206: 167:
is a Biaxially Oriented Polyamide/Nylon - (Commonly known as Nylon)
965: 238:
can cast film which is cooled or quenched then wound up on a roll.
1621: 1498: 1399: 1301: 793: 682:
D2103 – Standard Specification for Polyethylene Film and Sheeting
293: 218: 80: 46:
6 mil polyethylene plastic sheet as vapor barrier in construction
42: 273:
combines two or more films (or other materials) into a sandwich.
712:
D4321 – Standard Test Method for Package Yield of Plastic Film
688:
D2673 – Standard Specification for Oriented Polypropylene Film
98:, building construction, landscaping, electrical fabrication, 160: 154: 95: 30: 859: 762: 406:"An overview of degradable and biodegradable polyolefins" 553: 279:
is used to form a film onto another film or substrate.
300:
operations are also used. Films can be modified by
257:
Solution deposition is another film forming process.
230:and are formed by melting for forming the film. 649: 205:– Semiembossed film can be used as a liner to the 288:Plastic films are typically formed into rolls by 1660: 474: 254:rolls can be used to form film from hot polymers 737: 1285: 778: 222:A tube of extruded film being blown to expand 496: 1292: 1278: 785: 771: 534: 445:Principles of Polymer Engineering Rheology 591: 217: 63: 49: 41: 29: 435: 157:is a biaxially oriented polyester film. 1661: 875:Polyethylene terephthalate (PET, PETE) 620:Journal of Plastic Film & Sheeting 613: 442:White, James Lindsay (July 20, 1990). 403: 1273: 815:Cross-linked polyethylene (PEX, XLPE) 810:Acrylonitrile butadiene styrene (ABS) 766: 441: 283: 57:packaging made of PLA-blend bio-flex 19:Not to be confused with films titled 1627:List of environmental health hazards 1547:List of environmental health hazards 355:Journal of Plastic Film and Sheeting 13: 1432:Miscellaneous additives incl. PHCs 560:Journal of Applied Polymer Science 480:E. I. du Pont de Nemours & Co. 448:. Wiley-Interscience. p. 49. 422:10.1016/j.progpolymsci.2010.12.002 16:Thin continuous polymeric material 14: 1685: 964: 958: 850:Polybutylene terephthalate (PBT) 825:Poly(methyl methacrylate) (PMMA) 188:- made of regenerated cellulose. 173:– film can be with or without a 830:Poly(ethyl methacrylate) (PEMA) 139:linear low-density polyethylene 1193:Category:Plastics applications 940:Styrene maleic anhydride (SMA) 935:Polyvinylidene chloride (PVDC) 920:Polytetrafluoroethylene (PTFE) 607: 585: 547: 528: 490: 468: 397: 1: 900:Poly(p-phenylene oxide) (PPO) 515:10.1016/S0032-3861(00)00487-0 390: 1617:Persistent organic pollutant 1578:Toxic Substances Control Act 1537:Persistent organic pollutant 820:Ethylene vinyl acetate (EVA) 792: 738:Books and general references 308:. Films can be subjected to 213: 113: 7: 1610:Great Pacific garbage patch 1532:Great Pacific garbage patch 945:Styrene-acrylonitrile (SAN) 860:Polyetheretherketone (PEEK) 410:Progress in Polymer Science 323: 131:medium-density polyethylene 10: 1692: 1573:Japan Toxic Substances Law 1368:Miscellaneous plasticizers 226:Plastic films are usually 72:helicopters to be shipped. 18: 1647: 1592: 1568:European REACH regulation 1563:California Proposition 65 1555: 1512: 1469: 1431: 1398: 1367: 1313: 1306:polyhalogenated compounds 1262: 1207: 1183:High-performance plastics 1152: 1145: 1057: 1016: 1008:High-performance plastics 973: 956: 800: 302:physical vapor deposition 135:high-density polyethylene 993:Fibre-reinforced plastic 930:Polyvinyl chloride (PVC) 632:10.1177/8756087908089486 497:Ferrer-Balas, D (2001). 127:low-density polyethylene 25:Plastic (disambiguation) 1044:Biodegradable additives 1459:Perfluorooctanoic acid 895:Polyphenyl ether (PPE) 890:Polyoxymethylene (POM) 835:Polyacrylic acid (PAA) 223: 197:biodegradable plastics 182:- an early bioplastic. 73: 61: 47: 39: 1674:Plastics applications 1639:Biodegradable plastic 988:Thermosetting polymer 885:Polylactic acid (PLA) 597:W. R. Grace & Co. 404:Ammala, Anne (2011). 330:Converters (industry) 221: 67: 53: 45: 33: 1650:Identification codes 1250:Foam food containers 1173:Engineering plastics 614:Morris, B A (2008). 345:Film blowing machine 292:. Often additional 1669:Packaging materials 1489:Endocrine disruptor 1087:Compression molding 1039:Polymer stabilizers 320:applied as needed. 1504:Polymer fume fever 1163:Commodity plastics 1137:Rotational molding 1107:Fiberglass molding 1067:Injection moulding 1049:Filler (materials) 998:Corrugated plastic 950:Tritan copolyester 905:Polypropylene (PP) 855:Polycarbonate (PC) 652:ASTM International 284:Further processing 236:Plastics extrusion 224: 171:Polyvinyl chloride 74: 62: 48: 40: 1656: 1655: 1634:Plastic recycling 1600:Plastic pollution 1586: 1585: 1520:Plastic pollution 1300:Health issues of 1258: 1257: 1154:Plastics industry 1072:Plastic extrusion 925:Polyurethane (PU) 915:Polysulfone (PES) 870:Polyethylene (PE) 845:Polybutylene (PB) 755:978-0-470-08704-6 572:10.1002/app.25863 335:Die cutting (web) 316:; films can have 314:plasma processing 277:Extrusion coating 203:Semiembossed film 180:Cellulose acetate 100:photographic film 36:photographic film 1681: 1525:Rubber pollution 1375:Organophosphates 1294: 1287: 1280: 1271: 1270: 1150: 1149: 1122:Filament winding 1097:Transfer molding 1024:Polymer additive 968: 962: 910:Polystyrene (PS) 787: 780: 773: 764: 763: 643: 642: 640: 638: 611: 605: 604: 603: 599: 589: 583: 582: 580: 578: 566:(6): 3736–3745. 551: 545: 544: 543: 539: 532: 526: 525: 523: 521: 509:(4): 1697–1705. 494: 488: 487: 486: 482: 472: 466: 465: 463: 462: 439: 433: 432: 430: 428: 416:(8): 1015–1049. 401: 310:corona treatment 306:metallised films 262:thread seal tape 1691: 1690: 1684: 1683: 1682: 1680: 1679: 1678: 1659: 1658: 1657: 1652: 1643: 1588: 1587: 1582: 1551: 1508: 1465: 1427: 1394: 1363: 1309: 1298: 1264: 1254: 1203: 1141: 1127:Solvent bonding 1117:Plastic welding 1059: 1053: 1012: 975: 969: 963: 954: 865:Polyester (PEs) 802: 796: 791: 760: 740: 655: 647: 646: 636: 634: 612: 608: 601: 590: 586: 576: 574: 552: 548: 541: 533: 529: 519: 517: 495: 491: 484: 473: 469: 460: 458: 456: 440: 436: 426: 424: 402: 398: 393: 365:Plastic welding 326: 286: 216: 116: 68:Shrink-wrapped 28: 17: 12: 11: 5: 1689: 1688: 1677: 1676: 1671: 1654: 1653: 1648: 1645: 1644: 1642: 1641: 1636: 1631: 1630: 1629: 1624: 1619: 1614: 1613: 1612: 1596: 1594: 1590: 1589: 1584: 1583: 1581: 1580: 1575: 1570: 1565: 1559: 1557: 1553: 1552: 1550: 1549: 1544: 1539: 1534: 1529: 1528: 1527: 1516: 1514: 1510: 1509: 1507: 1506: 1501: 1496: 1491: 1486: 1481: 1475: 1473: 1467: 1466: 1464: 1463: 1462: 1461: 1451: 1446: 1441: 1435: 1433: 1429: 1428: 1426: 1425: 1418:Vinyl chloride 1415: 1412:Polycarbonates 1404: 1402: 1396: 1395: 1393: 1392: 1386: 1377: 1371: 1369: 1365: 1364: 1362: 1361: 1356: 1351: 1345: 1340: 1334: 1329: 1323: 1321: 1311: 1310: 1297: 1296: 1289: 1282: 1274: 1268: 1266: 1260: 1259: 1256: 1255: 1253: 1252: 1247: 1242: 1237: 1232: 1227: 1225:Packaging film 1222: 1217: 1211: 1209: 1208:Specific goods 1205: 1204: 1202: 1201: 1195: 1190: 1185: 1180: 1175: 1170: 1165: 1159: 1157: 1147: 1143: 1142: 1140: 1139: 1134: 1132:Vacuum forming 1129: 1124: 1119: 1114: 1109: 1104: 1099: 1094: 1089: 1084: 1079: 1074: 1069: 1063: 1061: 1055: 1054: 1052: 1051: 1046: 1041: 1036: 1031: 1026: 1020: 1018: 1014: 1013: 1011: 1010: 1005: 1003:Polymeric foam 1000: 995: 990: 985: 979: 977: 971: 970: 957: 955: 953: 952: 947: 942: 937: 932: 927: 922: 917: 912: 907: 902: 897: 892: 887: 882: 880:Polyimide (PI) 877: 872: 867: 862: 857: 852: 847: 842: 840:Polyamide (PA) 837: 832: 827: 822: 817: 812: 806: 804: 798: 797: 790: 789: 782: 775: 767: 758: 757: 747: 744: 739: 736: 735: 734: 731: 728: 725: 722: 719: 716: 713: 710: 707: 704: 701: 698: 695: 692: 689: 686: 683: 680: 677: 674: 671: 668: 665: 662: 659: 654: 648: 645: 644: 606: 584: 546: 527: 489: 467: 454: 434: 395: 394: 392: 389: 388: 387: 382: 377: 372: 367: 362: 357: 352: 347: 342: 337: 332: 325: 322: 318:release agents 285: 282: 281: 280: 274: 268: 265: 258: 255: 249: 239: 228:thermoplastics 215: 212: 211: 210: 200: 199:are available. 189: 183: 177: 168: 158: 148: 142: 115: 112: 15: 9: 6: 4: 3: 2: 1687: 1686: 1675: 1672: 1670: 1667: 1666: 1664: 1651: 1646: 1640: 1637: 1635: 1632: 1628: 1625: 1623: 1620: 1618: 1615: 1611: 1608: 1607: 1606: 1605:Garbage patch 1603: 1602: 1601: 1598: 1597: 1595: 1591: 1579: 1576: 1574: 1571: 1569: 1566: 1564: 1561: 1560: 1558: 1554: 1548: 1545: 1543: 1540: 1538: 1535: 1533: 1530: 1526: 1523: 1522: 1521: 1518: 1517: 1515: 1511: 1505: 1502: 1500: 1497: 1495: 1492: 1490: 1487: 1485: 1482: 1480: 1477: 1476: 1474: 1472: 1471:Health issues 1468: 1460: 1457: 1456: 1455: 1452: 1450: 1447: 1445: 1442: 1440: 1437: 1436: 1434: 1430: 1423: 1419: 1416: 1413: 1409: 1406: 1405: 1403: 1401: 1397: 1390: 1387: 1385: 1381: 1378: 1376: 1373: 1372: 1370: 1366: 1360: 1357: 1355: 1352: 1349: 1346: 1344: 1341: 1338: 1335: 1333: 1330: 1328: 1325: 1324: 1322: 1320: 1316: 1312: 1307: 1303: 1295: 1290: 1288: 1283: 1281: 1276: 1275: 1272: 1267: 1261: 1251: 1248: 1246: 1245:Shopping bags 1243: 1241: 1238: 1236: 1233: 1231: 1228: 1226: 1223: 1221: 1218: 1216: 1213: 1212: 1210: 1206: 1200:(Agriculture) 1199: 1198:Plasticulture 1196: 1194: 1191: 1189: 1186: 1184: 1181: 1179: 1178:Geosynthetics 1176: 1174: 1171: 1169: 1166: 1164: 1161: 1160: 1158: 1155: 1151: 1148: 1144: 1138: 1135: 1133: 1130: 1128: 1125: 1123: 1120: 1118: 1115: 1113: 1110: 1108: 1105: 1103: 1100: 1098: 1095: 1093: 1090: 1088: 1085: 1083: 1082:Thermoforming 1080: 1078: 1075: 1073: 1070: 1068: 1065: 1064: 1062: 1056: 1050: 1047: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1021: 1019: 1015: 1009: 1006: 1004: 1001: 999: 996: 994: 991: 989: 986: 984: 983:Thermoplastic 981: 980: 978: 972: 967: 961: 951: 948: 946: 943: 941: 938: 936: 933: 931: 928: 926: 923: 921: 918: 916: 913: 911: 908: 906: 903: 901: 898: 896: 893: 891: 888: 886: 883: 881: 878: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 851: 848: 846: 843: 841: 838: 836: 833: 831: 828: 826: 823: 821: 818: 816: 813: 811: 808: 807: 805: 799: 795: 788: 783: 781: 776: 774: 769: 768: 765: 761: 756: 752: 748: 745: 742: 741: 732: 729: 726: 723: 720: 717: 714: 711: 708: 705: 702: 699: 696: 693: 690: 687: 684: 681: 678: 675: 672: 669: 666: 663: 660: 657: 656: 653: 650:Standards by 633: 629: 625: 621: 617: 610: 598: 594: 588: 573: 569: 565: 561: 557: 550: 537: 531: 516: 512: 508: 504: 500: 493: 481: 477: 471: 457: 455:9780471853626 451: 447: 446: 438: 427:September 21, 423: 419: 415: 411: 407: 400: 396: 386: 383: 381: 378: 376: 373: 371: 368: 366: 363: 361: 358: 356: 353: 351: 348: 346: 343: 341: 338: 336: 333: 331: 328: 327: 321: 319: 315: 311: 307: 303: 299: 295: 291: 290:roll slitting 278: 275: 272: 269: 266: 263: 259: 256: 253: 250: 247: 243: 240: 237: 233: 232: 231: 229: 220: 208: 204: 201: 198: 194: 191:A variety of 190: 187: 184: 181: 178: 176: 172: 169: 166: 162: 159: 156: 152: 149: 146: 145:Polypropylene 143: 140: 136: 132: 128: 124: 121: 120: 119: 111: 109: 105: 101: 97: 93: 89: 84: 82: 78: 71: 66: 60: 56: 55:Confectionery 52: 44: 37: 32: 26: 22: 1315:Plasticizers 1263:Environment 1224: 1215:Blister pack 1168:Construction 1077:Blow molding 759: 635:. Retrieved 623: 619: 609: 587: 575:. Retrieved 563: 559: 549: 530: 518:. Retrieved 506: 502: 492: 470: 459:. Retrieved 444: 437: 425:. Retrieved 413: 409: 399: 380:Stretch wrap 370:Plastic wrap 287: 225: 123:Polyethylene 117: 106:for movies, 92:plastic bags 85: 77:Plastic film 76: 75: 34:Film strip ( 20: 1556:Regulations 1408:Bisphenol A 1092:Calendering 1034:Plasticizer 974:Mechanical 375:Shrink wrap 350:Heat sealer 193:bioplastics 175:Plasticizer 70:OH-58 Kiowa 1663:Categories 1484:Carcinogen 1449:Organotins 1319:Phthalates 1265:and health 1112:Pultrusion 1102:Laminating 1060:processing 593:US 5037683 536:US 5167894 476:US 5072493 461:2014-12-25 391:References 271:Lamination 207:calendered 186:Cellophane 108:video tape 104:film stock 59:bioplastic 1513:Pollution 1479:Teratogen 1410:(BPA, in 1058:Plastics 1029:Colorants 1017:Additives 801:Chemical 637:26 August 626:: 53–88. 577:24 August 385:Thin film 340:Film base 214:Processes 151:Polyester 114:Materials 88:packaging 1494:Diabetes 1400:Monomers 1380:Adipates 1302:plastics 1156:segments 1146:Products 794:Plastics 360:Overwrap 324:See also 304:to make 298:printing 252:Calender 242:Extruded 234:Cast – 165:BOPA/BON 1622:Dioxins 1542:Dioxins 1499:Obesity 1240:Cutlery 1230:Bottles 503:Polymer 294:coating 110:, etc. 81:plastic 21:Plastic 1339:(BBzP) 1308:(PHCs) 1220:Chairs 1188:Nurdle 753:  602:  542:  520:18 May 485:  452:  96:labels 23:, see 1593:Waste 1439:PBDEs 1350:(DOP) 976:types 803:types 246:Blown 161:Nylon 155:BoPET 137:, or 1454:PFCs 1444:PCBs 1420:(in 1384:DEHA 1359:DINP 1354:DIDP 1348:DEHP 1343:DIHP 1327:DIBP 1304:and 1235:Bags 751:ISBN 639:2024 579:2024 522:2023 450:ISBN 429:2018 195:and 1422:PVC 1389:DOA 1337:BBP 1332:DBP 628:doi 568:doi 564:104 511:doi 418:doi 312:or 296:or 129:, 1665:: 1317:: 624:24 622:. 618:. 562:. 558:. 507:42 505:. 501:. 414:36 412:. 408:. 163:– 153:– 133:, 102:, 94:, 90:, 1424:) 1414:) 1391:) 1382:( 1293:e 1286:t 1279:v 786:e 779:t 772:v 641:. 630:: 581:. 570:: 524:. 513:: 464:. 431:. 420:: 264:) 141:. 38:) 27:.

Index

Plastic (disambiguation)

photographic film


Confectionery
bioplastic

OH-58 Kiowa
plastic
packaging
plastic bags
labels
photographic film
film stock
video tape
Polyethylene
low-density polyethylene
medium-density polyethylene
high-density polyethylene
linear low-density polyethylene
Polypropylene
Polyester
BoPET
Nylon
BOPA/BON
Polyvinyl chloride
Plasticizer
Cellulose acetate
Cellophane

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.