Sessize al
O Engenheiro do Futuro
Ao contrário do que muitos imaginam, limpar um caminhão betoneira vai muito além de uma simples mangueira de água. Quando o concreto residual endurece nas paredes internas do tambor, formando camadas grossas que comprometem o veículo, é necessário um processo chamado “desbaste”. Nesse procedimento, um operário precisa rastejar para dentro do tambor apertado e escuro armado com um martelo pneumático. Por horas, ele quebra manualmente a pedra endurecida, desviando das lâminas espirais que normalm
Takip et
28
0
11
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