Calligraphy couplets suitable for hanging in oil fields

Please refer to:

First of all:

Shanglian: Kilometers of black gold from oil mine flows through the basin; Downward: Wan Li pipeline transports energy out of Songliao. Horizontal batch: oil all over China

Second:

Shanglian: Hard work breeds the iron man spirit; The bottom line: Lao Si casts a monument to Daqing. Horizontal batch: the birth of oil dragon

Third:

The first part: the grassland is white and flawless, covered with snow and ice; Bottom line: For thousands of years, the oil city has become prosperous and magnificent. Horizontal criticism: for future generations