
paar kiya gayaa patra

ack cross patra ack pandulipi patra haye jisamen lekhan key dou alag-alag sett hotey hain, ack dusare parr daahine-konn parr likhaa jaataa haye. yeh 19veen shatabdi mein daak pranali key shuruati dinon key dauran mahange daak shulk parr bachat karane key saath-saath kagaj bachaane key liye kiya gayaa thaa. iss takneek koo cross-hatching yaa cross-righting bhee kahaa jaataa haye.
ack cross later ack polympaste seey alag haye, kyonki cross-hatch paandulipiyaan baad mein phir seey upayog kiye jaane key bajaay ack baithak mein yaa usee uddeshya (jaise ack diarry) key liye iss tarah seey likhi gaee theen.