Automatic hand sanitizer with temperature detection

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <Adafruit_MLX90614.h>
#include <Servo.h>

Adafruit_MLX90614 mlx = Adafruit_MLX90614();
LiquidCrystal_I2C lcd(0x27,16,2);

Servo myservo;
Servo myservo2;

unsigned long previousMillis = 0;
unsigned long elapsedMillis = 0;

int pos ;
int ledState = LOW;
int debounceTime = 100;

void setup()
{
  mlx.begin();  
  lcd.init();                      
  lcd.backlight();
  myservo.attach(4);
  myservo2.attach(5);
  pinMode(9, INPUT);

  lcd.setCursor(1,0);
  lcd.print("Hello Everyone");
  lcd.setCursor(1,1);
  lcd.print("Loading. . . . .");
  delay(2000);
  lcd.clear();
  
}


void loop()
{
  Handsanit();
}

void Handsanit(){
  elapsedMillis = millis() - previousMillis;
  if(digitalRead(9) == LOW && elapsedMillis > debounceTime){
    if(ledState == HIGH){
      ledState = LOW;
      lcd.setCursor(1,0);
  if(mlx.readObjectTempC()>37){
    delay(100);
    lcd.print("suhu anda tinggi!!");
  }
  lcd.print(" NonContact ");
  lcd.setCursor(2,1);
  lcd.print("Suhu: ");
  lcd.print(mlx.readObjectTempC()+2.2);
  lcd.print("C    ");
  delay(500);
      for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    // in steps of 1 degree
    myservo.write(pos);              // tell servo to go to position in variable 'pos'                      // waits 15ms for the servo to reach the position
    myservo2.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);   
    }
    for (pos = 40; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
                           // waits 15ms for the servo to reach the position
    myservo2.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);
    }
    }else{
      for ( ;pos <= 80; pos += 1) 
  { 
    myservo.write(pos); 
    myservo2.write(pos);              // tell servo to go to position in variable 'pos'           
    delay(5);                        
   }
    ledState = HIGH;
    lcd.setCursor(1,0);
  if(mlx.readObjectTempC()>37){
    delay(1000);
    lcd.print("Suhu Anda Tinggi!!");
  }
  lcd.print(" NonContact ");
  lcd.setCursor(2,1);
  lcd.print("Suhu: ");
  lcd.print(mlx.readObjectTempC()+2.2);
  lcd.print("C    ");
  delay(500);
    }
    previousMillis = millis();
    }
}<br>