Automated hydro-thrust cleaning units for pipelines; Electrical drills; Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring compressors; Household sergers; Machine parts, namely, mechanical seals; Pigs for cleaning pipes; Pipe cleaning machines; Power drill bit extensions; Street sweepers; Tool grinding machines; Weeding machines; Wet-dry vacuums; Wood and metal machinery, namely, electric grinder