Construction earthworks - digging under a foundation, swimming pool or pond, a trench for an autonomous country house sewer, drainage system or water cottage.
Ujenzi earthworks - kuchimba chini ya msingi, kuogelea au bwawa, mtaro kwa uhuru wa nchi mfereji wa maji machafu nyumba, mfumo wa mifereji ya maji au maji Cottage.