Property, Plant and Equipment

6 Months Ended

Jun. 30, 2021

Property, Plant and Equipment [Abstract]

Property, plant and equipment

3. Property, plant and equipment

Property, plant and equipment, at cost, consisted of the following: 

	June 30,			December  31,
	2021			2020
Trucks	$	393,055		$	360,057
Welding equipment		285,991			285,991
Office equipment		23,408			23,408
Machinery and equipment		18,663			18,663
Furniture and equipment		12,768			12,767
Computer hardware		8,663			8,663
Computer software		22,191			22,191
Total property, plant and equipment, at cost		764,739			731,741
Less -- accumulated depreciation		(442,736	)		(375,614	)
Property, plant and equipment, net	$	322,003		$	356,127

Depreciation expense for the three months ended June 30, 2021 and 2020 was $33,561 and $33,479, respectively.

Depreciation expense for the six months ended June 30, 2021 and 2020 was $67,122 and $66,416, respectively.