Mkulu chiyero mpweya wapadera mpweya payipi mayesero asanu: kuthamanga mayeso, helium kutayikira kuzindikira, tinthu tating'ono okhutira, mayeso okhutira mpweya, okhutira madzi zida zoyesera msewu waukulu makamaka zosiyanasiyana mpweya wapadera, ndi zinthu zoyesedwa chofunika: kupirira voteji mayeso, kuthamanga kuyesa, kuyendera helium ...
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