Picture of a Dust Deposition Trap

Dust Deposition Trap

dust dep·os·ish·n trap

Used to measure:dust

Picture of a Hygrometer

Hygrometer

hi·grom·e·ter

Used to measure:water vapour

Picture of a Measuring Tape

Measuring Tape

mej·er·ing tayp

Used to measure:distance

Picture of a Munsell Chart

Munsell Chart

mun·sel chart

Used to measure:soil colour