Time: 05:14CR - civil engineering - demolition sciccors - caterpillar - building demolition
Time: 01:27CR - civil engineering - machines - caterpillar - building demolition
Time: 01:35CR - demolition - excavator - caterpillar - rubble
Time: 04:40CR - excavator - caterpillar - road work - loading gravel
Time: 01:23CR - mini digger - caterpillar - soil loading
Time: 01:14CR - soil and asphalt roller - Caterpillar
Time: 01:38CR - tracked excavator - caterpillar - overburden soil
Time: 01:30CR - smaller digger - caterpillar - soil loading
Time: 02:32CR - animals - dogs - cats - feed - cans
Time: 01:55CR - education - students - secondary school
Time: 01:42CR - people - education - lecture - screening room