彩

cǎi (bright) color; variety; applause; applaud; lottery prize

钢

gāng steel

棚

péng shed; canopy; shack

搭建

dā jiàn to build (esp. with simple materials); to knock together (a temporary shed); to rig up

合同

hé tong (business) contract; CL:個|个[ge4]

协议书

xié yì shū contract; protocol

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